Trying _WIN32 for win32 detection.
[libav.git] / configure
CommitLineData
aeb29222 1#!/bin/sh
0f3cb305 2#
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3# FFmpeg configure script
4#
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5# Copyright (c) 2000-2002 Fabrice Bellard
6# Copyright (c) 2005-2008 Diego Biurrun
7# Copyright (c) 2005-2008 Mans Rullgard
0f3cb305 8#
cf9d24ad 9
31e647f8 10# Prevent locale nonsense from breaking basic text processing.
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11LC_ALL=C
12export LC_ALL
31e647f8 13
cde2d79a 14# make sure we are running under a compatible shell
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15# try to make this part work with most shells
16
17try_exec(){
0dbe81bb 18 echo "Trying shell $1"
2270b4b2 19 type "$1" > /dev/null 2>&1 && exec "$@"
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20}
21
5237ce67 22unset foo
2270b4b2 23(: ${foo%%bar}) 2> /dev/null
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24E1="$?"
25
2270b4b2 26(: ${foo?}) 2> /dev/null
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27E2="$?"
28
29if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
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31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
cde2d79a
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43 fi
44 echo "No compatible shell script interpreter found."
fc53da20 45 echo "This configure script requires a POSIX-compatible shell"
c21d6325 46 echo "such as bash or ksh."
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47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
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50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
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54 exit 1
55fi
56
74c53c2d 57show_help(){
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58cat <<EOF
59Usage: configure [options]
60Options: [defaults in brackets after descriptions]
61
62Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.err]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
336ce917 85 --disable-ffprobe disable ffprobe build
06454877 86 --disable-ffserver disable ffserver build
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87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avformat disable libavformat build
90 --disable-swscale disable libswscale build
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91 --enable-postproc enable GPLed postprocessing support [no]
92 --enable-avfilter video filter support [no]
93 --enable-avfilter-lavf video filters dependent on avformat [no]
94 --enable-beosthreads use BeOS threads [no]
95 --enable-os2threads use OS/2 threads [no]
96 --enable-pthreads use pthreads [no]
97 --enable-w32threads use Win32 threads [no]
98 --enable-x11grab enable X11 grabbing [no]
99 --disable-network disable network support [no]
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100 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
101 --enable-gray enable full grayscale support (slower color)
102 --disable-swscale-alpha disable alpha channel support in swscale
103 --disable-fastdiv disable table-based division
104 --enable-small optimize for size instead of speed
105 --disable-aandct disable AAN DCT code
7f3f5f46 106 --disable-dct disable DCT code
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107 --disable-fft disable FFT code
108 --disable-golomb disable Golomb code
109 --disable-lpc disable LPC code
110 --disable-mdct disable MDCT code
111 --disable-rdft disable RDFT code
112 --disable-vaapi disable VAAPI code
113 --disable-vdpau disable VDPAU code
92c6a099 114 --disable-dxva2 disable DXVA2 code
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115 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
116 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
117 --enable-memalign-hack emulate memalign, interferes with memory debuggers
118 --enable-beos-netserver enable BeOS netserver
bb55e3a3 119 --disable-everything disable all components listed below
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120 --disable-encoder=NAME disable encoder NAME
121 --enable-encoder=NAME enable encoder NAME
122 --disable-encoders disable all encoders
123 --disable-decoder=NAME disable decoder NAME
124 --enable-decoder=NAME enable decoder NAME
125 --disable-decoders disable all decoders
126 --disable-hwaccel=NAME disable hwaccel NAME
127 --enable-hwaccel=NAME enable hwaccel NAME
128 --disable-hwaccels disable all hwaccels
129 --disable-muxer=NAME disable muxer NAME
130 --enable-muxer=NAME enable muxer NAME
131 --disable-muxers disable all muxers
132 --disable-demuxer=NAME disable demuxer NAME
133 --enable-demuxer=NAME enable demuxer NAME
134 --disable-demuxers disable all demuxers
135 --enable-parser=NAME enable parser NAME
136 --disable-parser=NAME disable parser NAME
137 --disable-parsers disable all parsers
138 --enable-bsf=NAME enable bitstream filter NAME
139 --disable-bsf=NAME disable bitstream filter NAME
140 --disable-bsfs disable all bitstream filters
141 --enable-protocol=NAME enable protocol NAME
142 --disable-protocol=NAME disable protocol NAME
143 --disable-protocols disable all protocols
144 --disable-indev=NAME disable input device NAME
145 --disable-outdev=NAME disable output device NAME
146 --disable-indevs disable input devices
147 --disable-outdevs disable output devices
148 --disable-devices disable all devices
149 --enable-filter=NAME enable filter NAME
150 --disable-filter=NAME disable filter NAME
151 --disable-filters disable all filters
152 --list-decoders show all available decoders
153 --list-encoders show all available encoders
154 --list-hwaccels show all available hardware accelerators
155 --list-muxers show all available muxers
156 --list-demuxers show all available demuxers
157 --list-parsers show all available parsers
158 --list-protocols show all available protocols
159 --list-bsfs show all available bitstream filters
160 --list-indevs show all available input devices
161 --list-outdevs show all available output devices
162 --list-filters show all available filters
163
164External library support:
165 --enable-avisynth enable reading of AVISynth script files [no]
166 --enable-bzlib enable bzlib [autodetect]
167 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
168 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
169 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
170 and libraw1394 [no]
171 --enable-libdirac enable Dirac support via libdirac [no]
172 --enable-libfaac enable FAAC support via libfaac [no]
173 --enable-libfaad enable FAAD support via libfaad [no]
174 --enable-libfaadbin open libfaad.so.0 at runtime [no]
175 --enable-libgsm enable GSM support via libgsm [no]
176 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
177 --enable-libnut enable NUT (de)muxing via libnut,
178 native (de)muxer exists [no]
179 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
0f943ce6 180 --enable-librtmp enable RTMP[E] support via librtmp [no]
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181 --enable-libschroedinger enable Dirac support via libschroedinger [no]
182 --enable-libspeex enable Speex decoding via libspeex [no]
183 --enable-libtheora enable Theora encoding via libtheora [no]
184 --enable-libvorbis enable Vorbis encoding via libvorbis,
185 native implementation exists [no]
186 --enable-libx264 enable H.264 encoding via x264 [no]
187 --enable-libxvid enable Xvid encoding via xvidcore,
188 native MPEG-4/Xvid encoder exists [no]
189 --enable-mlib enable Sun medialib [no]
190 --enable-zlib enable zlib [autodetect]
191
192Advanced options (experts only):
193 --source-path=PATH path to source code [$source_path]
194 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
195 --enable-cross-compile assume a cross-compiler is used
196 --sysroot=PATH root of cross-build tree
197 --sysinclude=PATH location of cross-build system headers
198 --target-os=OS compiler targets OS [$target_os]
199 --target-exec=CMD command to run executables on target
200 --target-path=DIR path to view of build directory on target
201 --nm=NM use nm tool
202 --as=AS use assembler AS [$as_default]
203 --cc=CC use C compiler CC [$cc_default]
204 --ld=LD use linker LD
205 --host-cc=HOSTCC use host C compiler HOSTCC
206 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
207 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
208 --host-libs=HLIBS use libs HLIBS when linking for host
209 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
210 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
211 --extra-libs=ELIBS add ELIBS [$ELIBS]
212 --extra-version=STRING version string suffix []
213 --build-suffix=SUFFIX library name suffix []
214 --arch=ARCH select architecture [$arch]
215 --cpu=CPU select the minimum required CPU (affects
216 instruction selection, may crash on older CPUs)
217 --enable-powerpc-perf enable performance report on PPC
218 (requires enabling PMC)
c8a4ae00 219 --disable-asm disable all assembler optimizations
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220 --disable-altivec disable AltiVec optimizations
221 --disable-amd3dnow disable 3DNow! optimizations
222 --disable-amd3dnowext disable 3DNow! extended optimizations
223 --disable-mmx disable MMX optimizations
224 --disable-mmx2 disable MMX2 optimizations
225 --disable-sse disable SSE optimizations
226 --disable-ssse3 disable SSSE3 optimizations
227 --disable-armv5te disable armv5te optimizations
228 --disable-armv6 disable armv6 optimizations
229 --disable-armv6t2 disable armv6t2 optimizations
230 --disable-armvfp disable ARM VFP optimizations
231 --disable-iwmmxt disable iwmmxt optimizations
232 --disable-mmi disable MMI optimizations
233 --disable-neon disable neon optimizations
234 --disable-vis disable VIS optimizations
235 --disable-yasm disable use of yasm assembler
236 --enable-pic build position-independent code
4ae40685 237 --malloc-prefix=PFX prefix malloc and related names with PFX
6b35d421 238 --enable-sram allow use of on-chip SRAM
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239
240Developer options (useful when working on FFmpeg itself):
241 --disable-debug disable debugging symbols
242 --enable-debug=LEVEL set the debug level [$debuglevel]
243 --enable-gprof enable profiling with gprof [$gprof]
244 --disable-optimizations disable compiler optimizations
245 --enable-extra-warnings enable more compiler warnings
246 --disable-stripping disable stripping of executables and shared libraries
2fad0977 247 --samples=PATH location of test samples for FATE
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248
249NOTE: Object files are built at the place where configure is launched.
250EOF
60e8bc13 251 exit 0
74c53c2d 252}
cf9d24ad 253
57bd82d4 254log(){
2270b4b2 255 echo "$@" >> $logfile
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256}
257
720c69da 258log_file(){
c8e9f801 259 log BEGIN $1
2270b4b2 260 pr -n -t $1 >> $logfile
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261 log END $1
262}
263
2ba042a7 264echolog(){
c8e9f801 265 log "$@"
57bd82d4 266 echo "$@"
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267}
268
269die(){
270 echolog "$@"
271 cat <<EOF
d326cf7f 272
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273If you think configure made a mistake, make sure you are using the latest
274version from SVN. If the latest version fails, report the problem to the
e5d8ccd7 275ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
2ba042a7 276EOF
e155a21a 277 if disabled logging; then
2ba042a7 278 cat <<EOF
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279Rerun configure with logging enabled (do not use --disable-logging), and
280include the log this produces with your report.
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281EOF
282 else
283cat <<EOF
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284Include the log file "$logfile" produced by configure as this will help
285solving the problem.
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286EOF
287 fi
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288 exit 1
289}
290
6c6007d6 291# Avoid locale weirdness, besides we really just want to translate ASCII.
44161118 292toupper(){
6c6007d6 293 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
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294}
295
4a5444db 296tolower(){
6c6007d6 297 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
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298}
299
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300c_escape(){
301 echo "$*" | sed 's/["\\]/\\\0/g'
302}
303
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304sh_quote(){
305 v=$(echo "$1" | sed "s/'/'\\\\''/g")
306 test "$v" = "${v#*[ |&;<>()$\`\\\"\'*?\[\]#~=%]}" || v="'$v'"
307 echo "$v"
308}
309
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310filter(){
311 pat=$1
312 shift
313 for v; do
98ef6079 314 eval "case $v in $pat) echo $v ;; esac"
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315 done
316}
317
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318map(){
319 m=$1
320 shift
e0e335a0 321 for v; do eval $m; done
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322}
323
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324set_all(){
325 value=$1
326 shift
327 for var in $*; do
328 eval $var=$value
329 done
330}
331
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332set_weak(){
333 value=$1
334 shift
335 for var; do
336 eval : \${$var:=$value}
337 done
338}
339
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340pushvar(){
341 for var in $*; do
342 eval level=\${${var}_level:=0}
343 eval ${var}_${level}="\$$var"
344 eval ${var}_level=$(($level+1))
345 done
346}
347
348popvar(){
349 for var in $*; do
350 eval level=\${${var}_level:-0}
351 test $level = 0 && continue
352 eval level=$(($level-1))
353 eval $var="\${${var}_${level}}"
354 eval ${var}_level=$level
355 eval unset ${var}_${level}
356 done
357}
358
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359enable(){
360 set_all yes $*
361}
362
363disable(){
364 set_all no $*
365}
366
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367enable_weak(){
368 set_weak yes $*
369}
370
371disable_weak(){
372 set_weak no $*
373}
374
72702705 375enable_safe(){
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376 for var; do
377 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
378 done
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379}
380
381disable_safe(){
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382 for var; do
383 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
384 done
72702705
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385}
386
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387do_enable_deep(){
388 for var; do
389 enabled $var && continue
390 eval sel="\$${var}_select"
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391 eval sgs="\$${var}_suggest"
392 pushvar var sgs
f9d328da 393 enable_deep $sel
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394 popvar sgs
395 enable_deep_weak $sgs
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396 popvar var
397 done
398}
399
400enable_deep(){
401 do_enable_deep $*
402 enable $*
403}
404
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405enable_deep_weak(){
406 do_enable_deep $*
407 enable_weak $*
408}
409
57bd82d4 410enabled(){
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411 test "${1#!}" = "$1" && op== || op=!=
412 eval test "x\$${1#!}" $op "xyes"
44161118
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413}
414
37970ebf 415disabled(){
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416 test "${1#!}" = "$1" && op== || op=!=
417 eval test "x\$${1#!}" $op "xno"
37970ebf
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418}
419
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420enabled_all(){
421 for opt; do
422 enabled $opt || return 1
423 done
424}
425
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426disabled_all(){
427 for opt; do
428 disabled $opt || return 1
429 done
430}
431
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432enabled_any(){
433 for opt; do
434 enabled $opt && return 0
435 done
436}
437
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438disabled_any(){
439 for opt; do
440 disabled $opt && return 0
441 done
f7b230a7 442 return 1
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443}
444
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445set_default(){
446 for opt; do
88268e94 447 eval : \${$opt:=\$${opt}_default}
c9d19248
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448 done
449}
450
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451is_in(){
452 value=$1
453 shift
454 for var in $*; do
455 [ $var = $value ] && return 0
456 done
457 return 1
458}
459
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460check_deps(){
461 for cfg; do
3250003c 462 cfg="${cfg#!}"
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463 enabled ${cfg}_checking && die "Circular dependency for $cfg."
464 disabled ${cfg}_checking && continue
465 enable ${cfg}_checking
466
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467 eval dep_all="\$${cfg}_deps"
468 eval dep_any="\$${cfg}_deps_any"
7ef3425f 469 eval dep_sel="\$${cfg}_select"
c510c7b5 470 eval dep_sgs="\$${cfg}_suggest"
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471 eval dep_ifa="\$${cfg}_if"
472 eval dep_ifn="\$${cfg}_if_any"
799c9e9b 473
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474 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
475 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
476 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
799c9e9b 477
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478 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
479 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
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480 enabled_all $dep_all || disable $cfg
481 enabled_any $dep_any || disable $cfg
7ef3425f 482 disabled_any $dep_sel && disable $cfg
799c9e9b 483
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484 if enabled $cfg; then
485 eval dep_extralibs="\$${cfg}_extralibs"
486 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
f9d328da 487 enable_deep $dep_sel
c510c7b5 488 enable_deep_weak $dep_sgs
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489 fi
490
799c9e9b 491 disable ${cfg}_checking
30fd06be
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492 done
493}
494
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495print_config(){
496 pfx=$1
497 header=$2
498 makefile=$3
499 shift 3
500 for cfg; do
5e622c40 501 ucname="$(toupper $cfg)"
44161118 502 if enabled $cfg; then
3d907e22 503 echo "#define ${pfx}${ucname} 1" >> $header
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504 echo "${pfx}${ucname}=yes" >> $makefile
505 else
b250f9c6 506 echo "#define ${pfx}${ucname} 0" >> $header
fbb6c6c2 507 echo "!${pfx}${ucname}=yes" >> $makefile
44161118
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508 fi
509 done
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510}
511
512flags_saved(){
2270b4b2 513 (: ${SAVE_CFLAGS?}) 2> /dev/null
57bd82d4
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514}
515
dcd479c0 516save_flags(){
57bd82d4 517 flags_saved && return
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518 SAVE_CFLAGS="$CFLAGS"
519 SAVE_LDFLAGS="$LDFLAGS"
520 SAVE_extralibs="$extralibs"
521}
522
523restore_flags(){
f5d28d10 524 flags_saved || return
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525 CFLAGS="$SAVE_CFLAGS"
526 LDFLAGS="$SAVE_LDFLAGS"
527 extralibs="$SAVE_extralibs"
528 unset SAVE_CFLAGS
529 unset SAVE_LDFLAGS
530 unset SAVE_extralibs
531}
532
533temp_cflags(){
534 save_flags
535 CFLAGS="$CFLAGS $*"
536}
537
538temp_ldflags(){
539 save_flags
540 LDFLAGS="$LDFLAGS $*"
541}
542
543temp_extralibs(){
544 save_flags
545 extralibs="$extralibs $*"
546}
547
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548append(){
549 var=$1
550 shift
551 flags_saved && eval "SAVE_$var=\"\$SAVE_$var $*\""
552 eval "$var=\"\$$var $*\""
553}
554
50a334e4 555add_cppflags(){
caf458dd 556 append CPPFLAGS $($filter_cppflags "$@")
50a334e4
MR
557}
558
57bd82d4 559add_cflags(){
caf458dd 560 append CFLAGS $($filter_cflags "$@")
57bd82d4
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561}
562
2f2e6c7c 563add_asflags(){
caf458dd 564 append ASFLAGS $($filter_asflags "$@")
2f2e6c7c
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565}
566
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567add_ldflags(){
568 append LDFLAGS "$@"
569}
570
571add_extralibs(){
572 append extralibs "$@"
573}
574
b0cfb663 575check_cmd(){
b3cb5d51 576 log "$@"
2270b4b2 577 "$@" >> $logfile 2>&1
b0cfb663
MR
578}
579
dcd479c0 580check_cc(){
57bd82d4 581 log check_cc "$@"
2270b4b2 582 cat > $TMPC
720c69da 583 log_file $TMPC
50a334e4 584 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
57bd82d4
MR
585}
586
587check_cpp(){
588 log check_cpp "$@"
2270b4b2 589 cat > $TMPC
720c69da 590 log_file $TMPC
9e7f3277 591 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
dcd479c0
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592}
593
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594check_as(){
595 log check_as "$@"
596 cat > $TMPC
597 log_file $TMPC
2f2e6c7c 598 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
f65883c8
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599}
600
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601check_asm(){
602 log check_asm "$@"
603 name="$1"
3784e82e 604 code="$2"
940f335a 605 shift 2
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606 disable $name
607 check_as "$@" <<EOF && enable $name
3784e82e 608void foo(void){ __asm__ volatile($code); }
940f335a
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609EOF
610}
611
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612check_yasm(){
613 log check_yasm "$@"
614 echo "$1" > $TMPS
615 log_file $TMPS
616 shift 1
617 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
618}
619
dcd479c0 620check_ld(){
57bd82d4 621 log check_ld "$@"
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622 flags=''
623 libs=''
624 for f; do
625 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
626 done
2a194acd 627 check_cc $($filter_cflags $flags) || return
684b28e0 628 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
dcd479c0
MR
629}
630
50a334e4
MR
631check_cppflags(){
632 log check_cppflags "$@"
caf458dd
MR
633 set -- $($filter_cppflags "$@")
634 check_cc "$@" <<EOF && append CPPFLAGS "$@"
50a334e4
MR
635int x;
636EOF
637}
638
dcd479c0 639check_cflags(){
57bd82d4 640 log check_cflags "$@"
caf458dd
MR
641 set -- $($filter_cflags "$@")
642 check_cc "$@" <<EOF && append CFLAGS "$@"
dcd479c0
MR
643int x;
644EOF
645}
646
2ed46eea
MR
647test_ldflags(){
648 log test_ldflags "$@"
649 check_ld "$@" <<EOF
c23a0ac8 650int main(void){ return 0; }
dcd479c0
MR
651EOF
652}
653
2ed46eea
MR
654check_ldflags(){
655 log check_ldflags "$@"
656 test_ldflags "$@" && add_ldflags "$@"
657}
658
dcd479c0 659check_header(){
57bd82d4 660 log check_header "$@"
dcd479c0
MR
661 header=$1
662 shift
b77df637
MR
663 disable_safe $header
664 check_cpp "$@" <<EOF && enable_safe $header
dcd479c0
MR
665#include <$header>
666int x;
667EOF
668}
669
670check_func(){
57bd82d4 671 log check_func "$@"
dcd479c0
MR
672 func=$1
673 shift
d8bc5f06
MR
674 disable $func
675 check_ld "$@" <<EOF && enable $func
dcd479c0 676extern int $func();
c23a0ac8 677int main(void){ $func(); }
dcd479c0
MR
678EOF
679}
680
645d2652 681check_mathfunc(){
6b73c0ae 682 log check_mathfunc "$@"
645d2652
MR
683 func=$1
684 shift
685 disable $func
686 check_ld "$@" <<EOF && enable $func
687#include <math.h>
33bd38db
MR
688float foo(float f) { return $func(f); }
689int main(void){ return 0; }
645d2652
MR
690EOF
691}
692
2446d3d6
DB
693check_func_headers(){
694 log check_func_headers "$@"
f8d7b072
MR
695 headers=$1
696 func=$2
697 shift 2
698 disable $func
699 incs=""
700 for hdr in $headers; do
701 incs="$incs
702#include <$hdr>"
703 done
cd0d9a9d 704 check_ld "$@" <<EOF && enable $func && enable_safe $headers
f8d7b072 705$incs
d6773f56 706int main(int argc, char **argv){
2b2c2a81 707 return (long) $func;
f8d7b072
MR
708}
709EOF
710}
711
a5344cf7
SS
712check_cpp_condition(){
713 log check_cpp_condition "$@"
714 header=$1
715 condition=$2
f855b7b9
MR
716 shift 2
717 check_cpp $($filter_cppflags "$@") <<EOF
a5344cf7
SS
718#include <$header>
719#if !($condition)
720#error "unsatisfied condition: $condition"
721#endif
722EOF
723}
724
57bd82d4
MR
725check_lib(){
726 log check_lib "$@"
727 header="$1"
728 func="$2"
729 shift 2
fcfcde17
MR
730 temp_extralibs "$@"
731 check_header $header && check_func $func && add_extralibs "$@"
732 err=$?
733 restore_flags
734 return $err
57bd82d4
MR
735}
736
f8d7b072
MR
737check_lib2(){
738 log check_lib2 "$@"
739 headers="$1"
740 func="$2"
741 shift 2
300cde27 742 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
f8d7b072
MR
743}
744
dcd479c0 745check_exec(){
2270b4b2 746 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
57bd82d4
MR
747}
748
7dfef245 749check_exec_crash(){
5e622c40 750 code=$(cat)
7dfef245
MR
751
752 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
753 # are safe but may not be available everywhere. Thus we use
754 # raise(SIGTERM) instead. The check is run in a subshell so we
755 # can redirect the "Terminated" message from the shell. SIGBUS
756 # is not defined by standard C so it is used conditionally.
757
2270b4b2 758 (check_exec "$@") >> $logfile 2>&1 <<EOF
7dfef245
MR
759#include <signal.h>
760static void sighandler(int sig){
761 raise(SIGTERM);
762}
e5af4a11 763int main(void){
7dfef245
MR
764 signal(SIGILL, sighandler);
765 signal(SIGFPE, sighandler);
766 signal(SIGSEGV, sighandler);
767#ifdef SIGBUS
768 signal(SIGBUS, sighandler);
769#endif
770 { $code }
771}
772EOF
773}
774
72be9e73
DY
775check_type(){
776 log check_type "$@"
777 headers=$1
778 type=$2
779 shift 2
ae550ce9 780 disable_safe "$type"
72be9e73
DY
781 incs=""
782 for hdr in $headers; do
783 incs="$incs
784#include <$hdr>"
785 done
ae550ce9 786 check_cc "$@" <<EOF && enable_safe "$type"
72be9e73
DY
787$incs
788$type v;
789EOF
790}
791
14d36751
MR
792check_struct(){
793 log check_type "$@"
794 headers=$1
795 struct=$2
796 member=$3
797 shift 3
798 disable_safe "${struct}_${member}"
799 incs=""
800 for hdr in $headers; do
801 incs="$incs
802#include <$hdr>"
803 done
804 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
805$incs
806const void *p = &(($struct *)0)->$member;
807EOF
808}
809
57bd82d4
MR
810require(){
811 name="$1"
812 header="$2"
813 func="$3"
814 shift 3
815 check_lib $header $func "$@" || die "ERROR: $name not found"
dcd479c0
MR
816}
817
f8d7b072
MR
818require2(){
819 name="$1"
820 headers="$2"
821 func="$3"
822 shift 3
823 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
824}
825
eea50282
MR
826check_foo_config(){
827 cfg=$1
828 pkg=$2
829 header=$3
830 func=$4
831 shift 4
832 disable $cfg
833 check_cmd ${pkg}-config --version
834 err=$?
835 if test "$err" = 0; then
5e622c40
DB
836 temp_cflags $(${pkg}-config --cflags)
837 temp_extralibs $(${pkg}-config --libs)
eea50282
MR
838 check_lib "$@" $header $func && enable $cfg
839 fi
840 return $err
841}
842
f0125de9
MR
843check_host_cc(){
844 log check_host_cc "$@"
845 cat > $TMPC
846 log_file $TMPC
847 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
848}
849
850check_host_cflags(){
851 log check_host_cflags "$@"
852 check_host_cc "$@" <<EOF && append host_cflags "$@"
853int x;
854EOF
855}
856
c505dd31
MR
857apply(){
858 file=$1
859 shift
860 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
861}
862
c34681df
MR
863cp_if_changed(){
864 cmp -s "$1" "$2" &&
865 echo "$2 is unchanged" ||
866 cp -f "$1" "$2"
867}
868
dcd61286
DB
869# CONFIG_LIST contains configurable options, while HAVE_LIST is for
870# system-dependent things.
871
4a0d6686
AJ
872COMPONENT_LIST="
873 bsfs
874 decoders
875 demuxers
876 encoders
3cde40aa 877 filters
5666fd73 878 hwaccels
c552605c 879 indevs
4a0d6686 880 muxers
c552605c 881 outdevs
4a0d6686
AJ
882 parsers
883 protocols
884"
885
886CONFIG_LIST="
887 $COMPONENT_LIST
e8ed9b7a 888 aandct
5a0f7131
MR
889 avcodec
890 avdevice
f7679c54
VS
891 avfilter
892 avfilter_lavf
5a0f7131 893 avformat
c88f5d72
MR
894 avisynth
895 beos_netserver
f402916e 896 bzlib
7f3f5f46 897 dct
c73f65d9 898 doc
05aec7bb 899 dwt
92c6a099 900 dxva2
27a9466b 901 fastdiv
c88f5d72
MR
902 ffmpeg
903 ffplay
336ce917 904 ffprobe
c88f5d72 905 ffserver
1848f7d9 906 fft
4f034993 907 golomb
c88f5d72 908 gpl
ecfc4f44 909 gprof
d8d0d0b2 910 gray
4693b031 911 h264dsp
3abe5fbd 912 hardcoded_tables
f7b8bffe 913 libdc1394
690bfceb 914 libdirac
2eed5a46
DB
915 libfaac
916 libfaad
917 libfaadbin
c88f5d72 918 libgsm
6ebe07fb 919 libmp3lame
c88f5d72 920 libnut
0b175caa
DB
921 libopencore_amrnb
922 libopencore_amrwb
9a77d59a 923 libopenjpeg
0f943ce6 924 librtmp
f7cd9eed 925 libschroedinger
ae14f311 926 libspeex
150d2772 927 libtheora
c88f5d72 928 libvorbis
1cc60c47
DB
929 libx264
930 libxvid
f4d608e3 931 lpc
b781cc12 932 lsp
47a158cb 933 mdct
c88f5d72 934 memalign_hack
a8150374 935 mlib
c88f5d72
MR
936 mpegaudio_hp
937 network
3fe142e2 938 nonfree
8a3c8627 939 pic
4a24ab64 940 postproc
2b4c3615 941 powerpc_perf
68602540 942 rdft
e90f5b5a 943 runtime_cpudetect
2e35e684 944 shared
bd2216e4 945 small
6b35d421 946 sram
2e35e684 947 static
5a0f7131 948 swscale
a9ddb5b1 949 swscale_alpha
17492d5e
DB
950 vaapi
951 vdpau
9cad0e4e 952 version3
56a059ac 953 x11grab
c88f5d72 954 zlib
4a0d6686 955"
c88f5d72 956
8eee7025
DB
957THREADS_LIST='
958 beosthreads
d22e8442 959 os2threads
8eee7025
DB
960 pthreads
961 w32threads
962'
963
3f5b56e5
MR
964ARCH_LIST='
965 alpha
a2fc0f6a 966 arm
fdcd782d
MR
967 avr32
968 avr32_ap
969 avr32_uc
3f5b56e5
MR
970 bfin
971 ia64
972 m68k
973 mips
bae3abb0 974 mips64
3f5b56e5 975 parisc
79cb09b2 976 ppc
34d11b87 977 ppc64
3f5b56e5
MR
978 s390
979 sh4
980 sparc
981 sparc64
0844bae1 982 tomi
3f5b56e5
MR
983 x86
984 x86_32
985 x86_64
986'
987
988ARCH_EXT_LIST='
1ac9331a 989 altivec
3bf96eec 990 amd3dnow
a1ef9f08 991 amd3dnowext
1ac9331a 992 armv5te
edab3048 993 armv6
ab5cb084 994 armv6t2
f55b299a 995 armvfp
3f5b56e5
MR
996 iwmmxt
997 mmi
998 mmx
d7f0920b 999 mmx2
6b18d278 1000 neon
799fde37 1001 ppc4xx
1bb04d5a 1002 sse
9eeed841 1003 ssse3
bd9d34a0 1004 vis
3f5b56e5
MR
1005'
1006
a3e02a8c
MR
1007HAVE_LIST_PUB='
1008 bigendian
1009'
1010
3f5b56e5
MR
1011HAVE_LIST="
1012 $ARCH_EXT_LIST
a3e02a8c 1013 $HAVE_LIST_PUB
3f5b56e5 1014 $THREADS_LIST
35fd8122 1015 alsa_asoundlib_h
3f5b56e5 1016 altivec_h
c9fdab0d 1017 arpa_inet_h
dffb41b9 1018 attribute_may_alias
e7ea5e3d 1019 attribute_packed
6bd859d6 1020 bswap
ecf97f22 1021 closesocket
1ac9331a 1022 cmov
e16e49ac 1023 conio_h
c88f5d72 1024 dcbzl
f8aa696f
DB
1025 dev_bktr_ioctl_bt848_h
1026 dev_bktr_ioctl_meteor_h
1027 dev_ic_bt8xx_h
1028 dev_video_meteor_ioctl_meteor_h
1029 dev_video_bktr_ioctl_bt848_h
18b67ae5 1030 dlfcn_h
c88f5d72 1031 dlopen
bc574408 1032 dos_paths
245626d0
DB
1033 ebp_available
1034 ebx_available
6b7c7703
VS
1035 exp2
1036 exp2f
c2a29455 1037 fast_64bit
669b5583 1038 fast_clz
7073e9fc 1039 fast_cmov
7b829d2a 1040 fast_unaligned
9d99cc5a 1041 fork
84882df6 1042 getaddrinfo
da9e86f8 1043 gethrtime
fc5607f8 1044 GetProcessMemoryInfo
4e68cb8a 1045 GetProcessTimes
66be5b45 1046 getrusage
fc5607f8 1047 struct_rusage_ru_maxrss
2e1913b1 1048 inet_aton
61d251db 1049 inline_asm
abfc8d05 1050 isatty
9f5ff83f 1051 ldbrx
0b4a1821
AS
1052 libdc1394_1
1053 libdc1394_2
a33cab3a 1054 llrint
d96cd429
MR
1055 local_aligned_16
1056 local_aligned_8
291fd18a 1057 log2
6b7c7703 1058 log2f
85dd97ad 1059 loongson
a33cab3a 1060 lrint
c88f5d72 1061 lrintf
e4673692 1062 lzo1x_999_compress
f8aa696f
DB
1063 machine_ioctl_bt848_h
1064 machine_ioctl_meteor_h
c88f5d72
MR
1065 malloc_h
1066 memalign
6ffa87d3 1067 mkstemp
b4e806b2 1068 pld
1f91cdce 1069 posix_memalign
a33cab3a
MK
1070 round
1071 roundf
c88f5d72
MR
1072 sdl
1073 sdl_video_size
b507ebd1 1074 setmode
72be9e73 1075 socklen_t
deb29777 1076 soundcard_h
f8cda19e 1077 poll_h
0104b608 1078 setrlimit
87958234 1079 strerror_r
c0018613 1080 struct_addrinfo
b4d68544
MS
1081 struct_ipv6_mreq
1082 struct_sockaddr_in6
3b2372bf 1083 struct_sockaddr_sa_len
33a4dbdd 1084 struct_sockaddr_storage
b58412f1 1085 sys_mman_h
b091aa44 1086 sys_resource_h
81644c2e 1087 sys_select_h
deb29777 1088 sys_soundcard_h
1b6e8b73 1089 sys_videoio_h
d3a4b4e0 1090 ten_operands
e16e49ac 1091 termios_h
b265431e 1092 threads
7b04b8a0 1093 truncf
ce742de2 1094 vfp_args
7c5bfe7a 1095 VirtualAlloc
6ff3f3e7 1096 winsock2_h
cc078b5d 1097 xform_asm
304d586d 1098 yasm
0cb78cef 1099"
44161118 1100
b6bb00b0
MR
1101# options emitted with CONFIG_ prefix but not available on command line
1102CONFIG_EXTRA="
dc4f5a1c 1103 avutil
9cad0e4e
DB
1104 gplv3
1105 lgplv3
b6bb00b0
MR
1106"
1107
520cc7f1 1108CMDLINE_SELECT="
3f5b56e5 1109 $ARCH_EXT_LIST
520cc7f1 1110 $CONFIG_LIST
8eee7025 1111 $THREADS_LIST
c8a4ae00 1112 asm
db6107b6 1113 cross_compile
520cc7f1
MR
1114 debug
1115 extra_warnings
8c6afa4d 1116 logging
d2bbb2f7 1117 optimizations
87a0fb62 1118 stripping
7595a5e4 1119 yasm
520cc7f1 1120"
426be5dc
DB
1121
1122PATHS_LIST='
d156bede 1123 bindir
14a8acf1 1124 datadir
26759c44
MR
1125 incdir
1126 libdir
26759c44
MR
1127 mandir
1128 prefix
1129 shlibdir
426be5dc
DB
1130'
1131
1132CMDLINE_SET="
1133 $PATHS_LIST
1134 arch
313c46a6 1135 as
426be5dc
DB
1136 build_suffix
1137 cc
1138 cpu
1139 cross_prefix
50567afa 1140 dep_cc
ac63af34 1141 extra_version
9da6609f
MR
1142 host_cc
1143 host_cflags
1144 host_ldflags
1145 host_libs
82bb3329 1146 host_os
684b28e0 1147 ld
426be5dc 1148 logfile
4ae40685 1149 malloc_prefix
89641463 1150 nm
2fad0977 1151 samples
26759c44 1152 source_path
4f837398 1153 strip
c5200f17
MR
1154 sysinclude
1155 sysroot
a7ada2ba 1156 target_exec
26759c44 1157 target_os
a7ada2ba 1158 target_path
426be5dc 1159"
520cc7f1 1160
89f2932b
MR
1161CMDLINE_APPEND="
1162 extra_cflags
1163"
1164
912f3148
DB
1165# code dependency declarations
1166
9eeed841 1167# architecture extensions
808fa33c 1168
a2fc0f6a
MR
1169armv5te_deps="arm"
1170armv6_deps="arm"
ab5cb084 1171armv6t2_deps="arm"
a2fc0f6a
MR
1172armvfp_deps="arm"
1173iwmmxt_deps="arm"
808fa33c
MR
1174neon_deps="arm"
1175
e241ba14 1176mmi_deps="mips"
808fa33c
MR
1177
1178altivec_deps="ppc"
1179ppc4xx_deps="ppc"
1180
1181vis_deps="sparc"
1182
7f8c3d1f 1183x86_64_suggest="cmov fast_cmov"
808fa33c
MR
1184amd3dnow_deps="mmx"
1185amd3dnowext_deps="amd3dnow"
9eeed841 1186mmx_deps="x86"
75aa95a6 1187mmx2_deps="mmx"
75aa95a6
DB
1188sse_deps="mmx"
1189ssse3_deps="sse"
9eeed841 1190
e939cedd 1191fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
669b5583 1192fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
e939cedd 1193fast_unaligned_if_any="armv6 ppc x86"
669b5583 1194
89e053f8 1195need_memalign="altivec neon sse"
6fec122a 1196inline_asm_deps="!tms470"
89e053f8 1197
26fbcc85
MR
1198# subsystems
1199mdct_select="fft"
1200rdft_select="fft"
1201
5666fd73 1202# decoders / encoders / hardware accelerators
49351479 1203aac_decoder_select="mdct rdft aac_parser"
26fbcc85
MR
1204aac_encoder_select="mdct"
1205ac3_decoder_select="mdct ac3_parser"
f4d608e3 1206alac_encoder_select="lpc"
b781cc12 1207amrnb_decoder_select="lsp"
084cbbaa 1208atrac1_decoder_select="mdct"
26fbcc85
MR
1209atrac3_decoder_select="mdct"
1210binkaudio_dct_decoder_select="mdct rdft dct"
1211binkaudio_rdft_decoder_select="mdct rdft"
4f034993 1212cavs_decoder_select="golomb"
26fbcc85 1213cook_decoder_select="mdct"
2eef7c62 1214cscd_decoder_suggest="zlib"
26fbcc85 1215dca_decoder_select="mdct"
e8ed9b7a 1216dnxhd_encoder_select="aandct"
2eef7c62 1217dxa_decoder_select="zlib"
baf91bb9 1218eac3_decoder_select="ac3_decoder"
84c04e25 1219eamad_decoder_select="aandct"
e8ed9b7a 1220eatgq_decoder_select="aandct"
d52b39c7 1221eatqi_decoder_select="aandct"
4f034993
MR
1222ffv1_decoder_select="golomb"
1223flac_decoder_select="golomb"
f4d608e3 1224flac_encoder_select="golomb lpc"
2eef7c62
AJ
1225flashsv_decoder_select="zlib"
1226flashsv_encoder_select="zlib"
4414137e 1227flv_decoder_select="h263_decoder"
4d4b4bd1 1228flv_encoder_select="h263_encoder"
e8ed9b7a 1229h261_encoder_select="aandct"
7f647ae0 1230h263_decoder_select="h263_parser"
e8ed9b7a 1231h263_encoder_select="aandct"
95a61cfc 1232h263_vaapi_hwaccel_select="vaapi h263_decoder"
4414137e 1233h263i_decoder_select="h263_decoder"
fe629c2d 1234h263p_encoder_select="h263_encoder"
4693b031 1235h264_decoder_select="golomb h264dsp"
92c6a099
LA
1236h264_dxva2_hwaccel_deps="dxva2api_h"
1237h264_dxva2_hwaccel_select="dxva2 h264_decoder"
17492d5e 1238h264_vaapi_hwaccel_select="vaapi"
95a61cfc 1239h264_vdpau_decoder_select="vdpau h264_decoder"
47a158cb 1240imc_decoder_select="fft mdct"
4f034993
MR
1241jpegls_decoder_select="golomb"
1242jpegls_encoder_select="golomb"
e8ed9b7a 1243ljpeg_encoder_select="aandct"
4f034993 1244loco_decoder_select="golomb"
e8ed9b7a 1245mjpeg_encoder_select="aandct"
2cca233b 1246mlp_decoder_select="mlp_parser"
e8ed9b7a
DB
1247mpeg1video_encoder_select="aandct"
1248mpeg2video_encoder_select="aandct"
4414137e 1249mpeg4_decoder_select="h263_decoder mpeg4video_parser"
c37de5e1 1250mpeg4_encoder_select="h263_encoder"
95a61cfc 1251mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
95a61cfc 1252mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
95a61cfc 1253mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
95a61cfc 1254mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
70e0c871 1255mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
8f6f050a 1256mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
4d8eecf4 1257mpeg_xvmc_decoder_select="mpegvideo_decoder"
4414137e 1258msmpeg4v1_decoder_select="h263_decoder"
4e169d89 1259msmpeg4v1_encoder_select="h263_encoder"
4414137e 1260msmpeg4v2_decoder_select="h263_decoder"
4e169d89 1261msmpeg4v2_encoder_select="h263_encoder"
4414137e 1262msmpeg4v3_decoder_select="h263_decoder"
4e169d89 1263msmpeg4v3_encoder_select="h263_encoder"
26fbcc85
MR
1264nellymoser_decoder_select="mdct"
1265nellymoser_encoder_select="mdct"
2eef7c62
AJ
1266png_decoder_select="zlib"
1267png_encoder_select="zlib"
b781cc12 1268qcelp_decoder_select="lsp"
26fbcc85 1269qdm2_decoder_select="mdct rdft"
a8beb22f 1270rv10_decoder_select="h263_decoder"
b2bf38b4 1271rv10_encoder_select="h263_encoder"
a8beb22f 1272rv20_decoder_select="h263_decoder"
b2bf38b4 1273rv20_encoder_select="h263_encoder"
4693b031
MR
1274rv30_decoder_select="golomb h264dsp"
1275rv40_decoder_select="golomb h264dsp"
4f034993 1276shorten_decoder_select="golomb"
b781cc12 1277sipr_decoder_select="lsp"
05aec7bb
MR
1278snow_decoder_select="dwt"
1279snow_encoder_select="aandct dwt"
4f034993
MR
1280sonic_decoder_select="golomb"
1281sonic_encoder_select="golomb"
1282sonic_ls_encoder_select="golomb"
19ecfb8a 1283svq1_encoder_select="aandct"
4693b031 1284svq3_decoder_select="golomb h264dsp"
bee2eac5 1285svq3_decoder_suggest="zlib"
4eef77c1 1286theora_decoder_select="vp3_decoder"
2eef7c62
AJ
1287tiff_decoder_suggest="zlib"
1288tiff_encoder_suggest="zlib"
aec09a00 1289truehd_decoder_select="mlp_decoder"
2eef7c62 1290tscc_decoder_select="zlib"
b781cc12 1291twinvq_decoder_select="mdct lsp"
f95bfab0 1292vc1_decoder_select="h263_decoder"
9104cd51 1293vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
f0f86627 1294vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
95a61cfc 1295vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
95a61cfc 1296vc1_vdpau_decoder_select="vdpau vc1_decoder"
26fbcc85
MR
1297vorbis_decoder_select="mdct"
1298vorbis_encoder_select="mdct"
e82dc4c9
DB
1299vp6a_decoder_select="vp6_decoder"
1300vp6f_decoder_select="vp6_decoder"
084cbbaa 1301wmapro_decoder_select="mdct"
26fbcc85
MR
1302wmav1_decoder_select="mdct"
1303wmav1_encoder_select="mdct"
1304wmav2_decoder_select="mdct"
1305wmav2_encoder_select="mdct"
b781cc12 1306wmavoice_decoder_select="lsp"
f95bfab0 1307wmv1_decoder_select="h263_decoder"
665507aa 1308wmv1_encoder_select="h263_encoder"
f95bfab0 1309wmv2_decoder_select="h263_decoder"
1746e2a9 1310wmv2_encoder_select="h263_encoder"
015f8ee0 1311wmv3_decoder_select="vc1_decoder"
f0f86627 1312wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
015f8ee0
DB
1313wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1314wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2eef7c62
AJ
1315zlib_decoder_select="zlib"
1316zlib_encoder_select="zlib"
1317zmbv_decoder_select="zlib"
1318zmbv_encoder_select="zlib"
30fd06be 1319
0afab17e 1320vaapi_deps="va_va_h"
c89c96e9
MR
1321vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1322
28b80940 1323# parsers
4693b031 1324h264_parser_select="golomb h264dsp"
28b80940 1325
f1e94694
DB
1326# bitstream_filters
1327aac_adtstoasc_bsf_select="aac_parser"
1328
912f3148 1329# external libraries
1b71f045 1330libdirac_decoder_deps="libdirac !libschroedinger"
690bfceb 1331libdirac_encoder_deps="libdirac"
c9171a83 1332libfaac_encoder_deps="libfaac"
69ddbd1d 1333libfaad_decoder_deps="libfaad"
4ec45764 1334libfaadbin_decoder_extralibs='$ldl'
299c77d5
MR
1335libgsm_decoder_deps="libgsm"
1336libgsm_encoder_deps="libgsm"
8ffed8d8
MR
1337libgsm_ms_decoder_deps="libgsm"
1338libgsm_ms_encoder_deps="libgsm"
1cc60c47 1339libmp3lame_encoder_deps="libmp3lame"
0b175caa
DB
1340libopencore_amrnb_decoder_deps="libopencore_amrnb"
1341libopencore_amrnb_encoder_deps="libopencore_amrnb"
1342libopencore_amrwb_decoder_deps="libopencore_amrwb"
9a77d59a 1343libopenjpeg_decoder_deps="libopenjpeg"
f7cd9eed
AS
1344libschroedinger_decoder_deps="libschroedinger"
1345libschroedinger_encoder_deps="libschroedinger"
ae14f311 1346libspeex_decoder_deps="libspeex"
150d2772 1347libtheora_encoder_deps="libtheora"
b0caf888 1348libvorbis_encoder_deps="libvorbis"
1cc60c47
DB
1349libx264_encoder_deps="libx264"
1350libxvid_encoder_deps="libxvid"
30fd06be 1351
912f3148 1352# demuxers / muxers
03a76ba9 1353ac3_demuxer_deps="ac3_parser"
647c2356 1354asf_stream_muxer_select="asf_muxer"
4e622dea
SS
1355avisynth_demuxer_deps="avisynth"
1356dirac_demuxer_deps="dirac_parser"
5b423887 1357eac3_demuxer_select="ac3_parser"
647c2356 1358ipod_muxer_select="mov_muxer"
4e622dea
SS
1359libnut_demuxer_deps="libnut"
1360libnut_muxer_deps="libnut"
647c2356 1361matroska_audio_muxer_select="matroska_muxer"
4e622dea
SS
1362matroska_demuxer_suggest="zlib bzlib"
1363mov_demuxer_suggest="zlib"
1364mp3_demuxer_deps="mpegaudio_parser"
647c2356
DB
1365mp4_muxer_select="mov_muxer"
1366mpegtsraw_demuxer_select="mpegts_demuxer"
1367mxf_d10_muxer_select="mxf_muxer"
24ca518b 1368ogg_demuxer_select="golomb"
647c2356 1369psp_muxer_select="mov_muxer"
4e622dea 1370rtsp_demuxer_deps="sdp_demuxer"
6f5a3d0a
MS
1371rtsp_muxer_deps="sdp_demuxer"
1372rtsp_muxer_select="rtp_muxer"
4e622dea 1373sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
0298cc04 1374sdp_demuxer_select="asf_demuxer rm_demuxer"
f1e94694 1375spdif_muxer_select="aac_parser"
647c2356
DB
1376tg2_muxer_select="mov_muxer"
1377tgp_muxer_select="mov_muxer"
6bdaa5f4 1378w64_demuxer_deps="wav_demuxer"
4e622dea
SS
1379
1380# indevs / outdevs
38e54a75
SS
1381alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1382alsa_indev_extralibs="-lasound"
1383alsa_outdev_deps="alsa_asoundlib_h"
1384alsa_outdev_extralibs="-lasound"
1385audio_beos_indev_deps="audio_beos"
1386audio_beos_indev_extralibs="-lmedia -lbe"
1387audio_beos_outdev_deps="audio_beos"
1388audio_beos_outdev_extralibs="-lmedia -lbe"
38e54a75 1389bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
38e54a75
SS
1390dv1394_indev_deps="dv1394 dv_demuxer"
1391jack_indev_deps="jack_jack_h"
1392jack_indev_extralibs="-ljack"
1393libdc1394_indev_deps="libdc1394"
38e54a75
SS
1394oss_indev_deps_any="soundcard_h sys_soundcard_h"
1395oss_outdev_deps_any="soundcard_h sys_soundcard_h"
38e54a75
SS
1396v4l_indev_deps="linux_videodev_h"
1397v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1398vfwcap_indev_deps="capCreateCaptureWindow"
a1b3c5a3 1399vfwcap_indev_extralibs="-lavicap32"
38e54a75 1400x11_grab_device_indev_deps="x11grab XShmCreateImage"
781c1aa6 1401x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
30fd06be 1402
912f3148 1403# protocols
3fff6382 1404gopher_protocol_deps="network"
c08fb000 1405http_protocol_deps="network"
279a0c97 1406http_protocol_select="tcp_protocol"
cbf29889 1407rtmp_protocol_deps="tcp_protocol"
c08fb000
AB
1408rtp_protocol_deps="udp_protocol"
1409tcp_protocol_deps="network"
1410udp_protocol_deps="network"
1411
f7679c54 1412# filters
81124ba0 1413movie_filter_deps="avfilter_lavf"
5a0f7131
MR
1414avfilter_lavf_deps="avformat"
1415
1416# libraries
1417avdevice_deps="avcodec avformat"
1418avformat_deps="avcodec"
f7679c54 1419
912f3148 1420# programs
5a0f7131
MR
1421ffmpeg_deps="avcodec avformat swscale"
1422ffplay_deps="avcodec avformat swscale sdl"
43689902 1423ffplay_select="rdft"
336ce917 1424ffprobe_deps="avcodec avformat"
5a0f7131 1425ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
4ec45764 1426ffserver_extralibs='$ldl'
a2830dca 1427
c73f65d9 1428doc_deps="texi2html"
912f3148 1429
de6d9b64 1430# default parameters
8a608357 1431
2ba042a7 1432logfile="config.err"
8a608357
MR
1433
1434# installation paths
c9d19248
MR
1435prefix_default="/usr/local"
1436bindir_default='${prefix}/bin'
14a8acf1 1437datadir_default='${prefix}/share/ffmpeg'
c9d19248
MR
1438incdir_default='${prefix}/include'
1439libdir_default='${prefix}/lib'
1440mandir_default='${prefix}/share/man'
1441shlibdir_default="$libdir_default"
8a608357
MR
1442
1443# toolchain
11e6d03a 1444ar="ar"
13c7df3d 1445cc_default="gcc"
a3d7c197 1446cc_version=\"unknown\"
9da6609f 1447host_cc_default="gcc"
11e6d03a 1448ln_s="ln -sf"
89641463 1449nm_default="nm"
11e6d03a 1450objformat="elf"
be7109c1 1451ranlib="ranlib"
4f837398 1452strip_default="strip"
11e6d03a 1453yasmexe="yasm"
8a608357 1454
8182dc34
MR
1455nm_opts='-g'
1456
8a608357 1457# machine
8d4c00ed 1458arch_default=$(uname -m)
38d0a8aa 1459cpu="generic"
8a608357 1460
8a608357 1461# OS
8d4c00ed
MR
1462target_os_default=$(tolower $(uname -s))
1463host_os=$target_os_default
8a608357 1464
8a608357 1465# configurable options
5a0f7131
MR
1466enable avcodec
1467enable avdevice
1468enable avformat
dc4f5a1c 1469enable avutil
c8a4ae00 1470enable asm
497237c7 1471enable debug
c73f65d9 1472enable doc
aa033b1e 1473enable fastdiv
497237c7
RP
1474enable ffmpeg
1475enable ffplay
336ce917 1476enable ffprobe
497237c7 1477enable ffserver
497237c7
RP
1478enable mpegaudio_hp
1479enable network
8400d6b8 1480enable optimizations
497237c7 1481enable protocols
530dc538 1482enable static
87a0fb62 1483enable stripping
5a0f7131 1484enable swscale
a9ddb5b1 1485enable swscale_alpha
8a608357 1486
8a608357 1487# build settings
9987769a 1488SHFLAGS='-shared -Wl,-soname,$$(@F)'
c536cb09 1489FFSERVERLDFLAGS=-Wl,-E
f3ec2d46
SG
1490LIBPREF="lib"
1491LIBSUF=".a"
c5f14466
RP
1492FULLNAME='$(NAME)$(BUILDSUF)'
1493LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
f3ec2d46
SG
1494SLIBPREF="lib"
1495SLIBSUF=".so"
c5f14466 1496SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
b29bddab
DB
1497SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1498SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
6cfac0e9 1499LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
ef0bc4c9 1500
7e6c86e6
MR
1501CC_O='-o $@'
1502
f0125de9 1503host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
9da6609f
MR
1504host_libs='-lm'
1505
9b861379 1506target_path='$(CURDIR)'
a7ada2ba 1507
0d7dca36
DB
1508# gcc stupidly only outputs the basename of targets with -MM, but we need the
1509# full relative path for objects in subdirectories for non-recursive Make.
c1c3933a 1510DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
d8059267 1511DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
315c741d 1512
c597172e 1513# find source path
5e622c40 1514source_path="$(dirname "$0")"
497237c7 1515enable source_path_used
24524f36 1516if test -f configure; then
5e622c40 1517 source_path="$(pwd)"
497237c7 1518 disable source_path_used
c597172e 1519else
5e622c40 1520 source_path="$(cd "$source_path"; pwd)"
c597172e 1521 echo "$source_path" | grep -q '[[:blank:]]' &&
7483e694 1522 die "Out of tree builds are impossible with whitespace in source path."
337cee68
MC
1523 test -e "$source_path/config.h" &&
1524 die "Out of tree builds are impossible with config.h in source dir."
c597172e
MR
1525fi
1526
13cbe2c0 1527for v in "$@"; do
b04251c5
MR
1528 r=${v#*=}
1529 l=${v%"$r"}
1530 r=$(sh_quote "$r")
13cbe2c0
MR
1531 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1532done
c597172e 1533
73ef8980
MR
1534find_things(){
1535 thing=$1
1536 pattern=$2
1537 file=$source_path/$3
932ccf39 1538 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
73ef8980
MR
1539}
1540
1541ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1542DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
5666fd73 1543HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
73ef8980
MR
1544PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1545BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1546MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1547DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
38e54a75
SS
1548OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1549INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
73ef8980 1550PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
81124ba0 1551FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
c597172e 1552
8469ae22
MR
1553for n in $COMPONENT_LIST; do
1554 v=$(toupper ${n%s})_LIST
1555 eval enable \$$v
1556 eval ${n}_if_any="\$$v"
1557done
1558
1559enable $ARCH_EXT_LIST
c597172e
MR
1560
1561die_unknown(){
1562 echo "Unknown option \"$1\"."
1563 echo "See $0 --help for available options."
1564 exit 1
1565}
1566
794f8e97 1567show_list() {
bf0c4afa
RP
1568 suffix=_$1
1569 shift
2b444ea7 1570 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
794f8e97
PI
1571 exit 0
1572}
1573
c597172e 1574for opt do
7483e694
DB
1575 optval="${opt#*=}"
1576 case "$opt" in
0f010b2f 1577 --extra-ldflags=*) add_ldflags $optval
7483e694 1578 ;;
0f010b2f 1579 --extra-libs=*) add_extralibs $optval
7483e694 1580 ;;
8fb1cb58 1581 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
9aa8ed9d 1582 ;;
40bcf4c7
BL
1583 --enable-debug=*) debuglevel="$optval"
1584 ;;
36e2dea0 1585 --disable-everything)
e0e335a0 1586 map 'eval disable \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
36e2dea0 1587 ;;
7483e694 1588 --enable-*=*|--disable-*=*)
8b93ddc3 1589 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
be8f2501
MR
1590 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1591 eval list=\$$(toupper $thing)_LIST
8b93ddc3
MR
1592 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1593 $action $(filter "$name" $list)
7483e694
DB
1594 ;;
1595 --enable-?*|--disable-?*)
5e622c40 1596 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
e3773a55 1597 if is_in $option $COMPONENT_LIST; then
fed5d54b 1598 test $action = disable && action=unset
e3773a55
MR
1599 eval $action \$$(toupper ${option%s})_LIST
1600 elif is_in $option $CMDLINE_SELECT; then
1601 $action $option
1602 else
1603 die_unknown $opt
1604 fi
7483e694
DB
1605 ;;
1606 --list-*)
1607 NAME="${opt#--list-}"
1608 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1609 NAME=${NAME%s}
1610 eval show_list $NAME \$$(toupper $NAME)_LIST
1611 ;;
1612 --help|-h) show_help
1613 ;;
1614 *)
884a36a7 1615 optname="${opt%%=*}"
26759c44
MR
1616 optname="${optname#--}"
1617 optname=$(echo "$optname" | sed 's/-/_/g')
89f2932b
MR
1618 if is_in $optname $CMDLINE_SET; then
1619 eval $optname='$optval'
1620 elif is_in $optname $CMDLINE_APPEND; then
1621 append $optname "$optval"
1622 else
1623 die_unknown $opt
1624 fi
7483e694
DB
1625 ;;
1626 esac
c597172e
MR
1627done
1628
bcea99bb
MR
1629disabled logging && logfile=/dev/null
1630
13cbe2c0 1631echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
bcea99bb
MR
1632set >> $logfile
1633
9da6609f
MR
1634test -n "$cross_prefix" && enable cross_compile
1635
8d4c00ed
MR
1636if enabled cross_compile; then
1637 test -n "$arch" && test -n "$target_os" ||
1638 die "Must specify target arch and OS when cross-compiling"
1639fi
1640
1641set_default arch target_os
1642
adb2b908 1643ar="${cross_prefix}${ar}"
11e6d03a 1644cc_default="${cross_prefix}${cc_default}"
20e0ed95 1645nm_default="${cross_prefix}${nm_default}"
adb2b908 1646ranlib="${cross_prefix}${ranlib}"
4f837398 1647strip_default="${cross_prefix}${strip_default}"
adb2b908 1648
c5200f17
MR
1649sysinclude_default="${sysroot}/usr/include"
1650
4f837398 1651set_default cc nm strip sysinclude
9da6609f
MR
1652enabled cross_compile || host_cc_default=$cc
1653set_default host_cc
13c7df3d 1654
82bb3329
MR
1655exesuf() {
1656 case $1 in
1657 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1658 esac
1659}
1660
1661EXESUF=$(exesuf $target_os)
1662HOSTEXESUF=$(exesuf $host_os)
c0f5b7f1 1663
e4e69e0b 1664# set temporary file name
a49d42c2 1665: ${TMPDIR:=$TEMPDIR}
c51fafa1 1666: ${TMPDIR:=$TMP}
a49d42c2 1667: ${TMPDIR:=/tmp}
e4e69e0b 1668
54460a83
MR
1669if ! check_cmd type mktemp; then
1670 # simple replacement for missing mktemp
1671 # NOT SAFE FOR GENERAL USE
1672 mktemp(){
1673 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1674 }
1675fi
1676
1677tmpfile(){
1678 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1679 (set -C; exec > $tmp) 2>/dev/null ||
f7ba16a7 1680 die "Unable to create temporary file in $TMPDIR."
54460a83
MR
1681 append TMPFILES $tmp
1682 eval $1=$tmp
1683}
1684
1685trap 'rm -f -- $TMPFILES' EXIT
1686trap exit HUP INT TERM
1687
1688tmpfile TMPC .c
1689tmpfile TMPE $EXESUF
1690tmpfile TMPH .h
1691tmpfile TMPO .o
1692tmpfile TMPS .S
a482e61b 1693tmpfile TMPV .ver
54460a83
MR
1694tmpfile TMPSH .sh
1695
1696unset -f mktemp
e4e69e0b 1697
993f2d0f
MR
1698# make sure we can execute files in $TMPDIR
1699cat > $TMPSH 2>> $logfile <<EOF
1700#! /bin/sh
1701EOF
1702chmod +x $TMPSH >> $logfile 2>&1
1703if ! $TMPSH >> $logfile 2>&1; then
1704 cat <<EOF
1705Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1706variable to another directory and make sure that it is not mounted noexec.
1707EOF
1708 die "Sanity test failed."
1709fi
993f2d0f 1710
19b4c628
MR
1711filter_cflags=echo
1712filter_cppflags=echo
1713filter_asflags=echo
1714
8f0c157a 1715if $cc -v 2>&1 | grep -qi ^gcc; then
629687f6 1716 cc_type=gcc
a3d7c197 1717 cc_version=__VERSION__
aef6bd1b
MR
1718 if ! $cc -dumpversion | grep -q '^2\.'; then
1719 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1720 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1721 fi
14ca9cd0
MR
1722 speed_cflags='-O3'
1723 size_cflags='-Os'
629687f6
MR
1724elif $cc --version 2>/dev/null | grep -q Intel; then
1725 cc_type=icc
6e3fa35d 1726 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
07dec06e
MR
1727 CC_DEPFLAGS='-MMD'
1728 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1729 speed_cflags='-O3'
1730 size_cflags='-Os'
629687f6
MR
1731elif $cc -v 2>&1 | grep -q xlc; then
1732 cc_type=xlc
6e3fa35d 1733 cc_version="AV_STRINGIFY(__IBMC__)"
14ca9cd0
MR
1734 speed_cflags='-O5'
1735 size_cflags='-O5 -qcompact'
df442a8d
MR
1736elif $cc -V 2>/dev/null | grep -q Compaq; then
1737 cc_type=ccc
6e3fa35d 1738 cc_version="AV_STRINGIFY(__DECC_VER)"
d8059267 1739 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
03754fcd 1740 debuglevel=3
df442a8d 1741 add_ldflags -Wl,-z,now # calls to libots crash without this
14ca9cd0
MR
1742 speed_cflags='-fast'
1743 size_cflags='-O1'
6a0d5493 1744elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
03e37762
MR
1745 test -d "$sysroot" || die "No valid sysroot specified."
1746 cc_type=armcc
6e3fa35d 1747 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
03e37762
MR
1748 armcc_conf="$PWD/armcc.conf"
1749 $cc --arm_linux_configure \
1750 --arm_linux_config_file="$armcc_conf" \
1751 --configure_sysroot="$sysroot" \
1752 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1753 die "Error creating armcc configuration file."
1754 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
75800dce 1755 as_default="${cross_prefix}gcc"
07dec06e
MR
1756 CC_DEPFLAGS='-MMD'
1757 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1758 speed_cflags='-O3'
1759 size_cflags='-Os'
6fec122a
MR
1760elif $cc -version 2>/dev/null | grep -q TMS470; then
1761 cc_type=tms470
6e3fa35d 1762 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
6fec122a
MR
1763 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1764 CC_O='-fr=$(@D)'
1765 as_default="${cross_prefix}gcc"
1766 ld_default="${cross_prefix}gcc"
6fec122a
MR
1767 TMPO=$(basename $TMPC .c).o
1768 append TMPFILES $TMPO
1769 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
07dec06e
MR
1770 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1771 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1772 speed_cflags='-O3 -mf=5'
1773 size_cflags='-O3 -mf=2'
6fec122a
MR
1774 filter_cflags=tms470_flags
1775 tms470_flags(){
1776 for flag; do
1777 case $flag in
1778 -march=*|-mcpu=*)
1779 case "${flag#*=}" in
1780 armv7-a|cortex-a*) echo -mv=7a8 ;;
1781 armv7-r|cortex-r*) echo -mv=7r4 ;;
1782 armv7-m|cortex-m*) echo -mv=7m3 ;;
1783 armv6*|arm11*) echo -mv=6 ;;
1784 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1785 echo -mv=5e ;;
1786 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1787 esac
1788 ;;
1789 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1790 -mfpu=vfp) echo --float_support=vfpv2 ;;
5fcb865b 1791 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
a2709020 1792 -msoft-float) echo --float_support=vfplib ;;
14ca9cd0 1793 -O[0-3]|-mf=*) echo $flag ;;
6fec122a 1794 -g) echo -g -mn ;;
587d24ff 1795 -pds=*) echo $flag ;;
6fec122a
MR
1796 esac
1797 done
1798 }
06da6943
DC
1799elif $cc -v 2>&1 | grep -q clang; then
1800 cc_type=clang
1801 cc_version=__VERSION__
1802 CC_DEPFLAGS='-MMD'
1803 AS_DEPFLAGS='-MMD'
14ca9cd0
MR
1804 speed_cflags='-O3'
1805 size_cflags='-Os'
2a472e9c
MK
1806elif $cc -V 2>&1 | grep -q Sun; then
1807 cc_type=suncc
1808 cc_version="AV_STRINGIFY(__SUNPRO_C)"
faa374b7 1809 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2a472e9c 1810 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
14ca9cd0
MR
1811 speed_cflags='-O5'
1812 size_cflags='-O5 -xspace'
03279bbe
MK
1813 filter_cflags=suncc_flags
1814 suncc_flags(){
1815 for flag; do
1816 case $flag in
1817 -march=*|-mcpu=*)
1818 case "${flag#*=}" in
1819 native) echo -xtarget=native ;;
1820 v9) echo -xarch=sparc ;;
1821 ultrasparc) echo -xarch=sparcvis ;;
1822 ultrasparc3|niagara*) echo -xarch=sparcvis2 ;;
1823 i586|pentium) echo -xchip=pentium ;;
1824 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1825 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1826 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1827 pentium4*) echo -xtarget=pentium4 ;;
1828 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1829 *-sse3) echo -xarch=sse3 ;;
1830 core2) echo -xarch=ssse3 -xchip=core2 ;;
1831 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1832 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1833 k8|opteron|athlon64|athlon-fx)
1834 echo -xarch=sse2a ;;
1835 athlon*) echo -xarch=pentium_proa ;;
1836 esac
1837 ;;
1838 -std=c99) echo -xc99 ;;
1839 -fomit-frame-pointer) echo -xregs=frameptr ;;
1840 -fPIC) echo -KPIC -xcode=pic32 ;;
03279bbe
MK
1841 -W*,*) echo $flag ;;
1842 -f*-*|-W*) ;;
1843 *) echo $flag ;;
1844 esac
1845 done
1846 }
629687f6
MR
1847fi
1848
1849test -n "$cc_type" && enable $cc_type || echolog "Unknown C compiler $cc"
1850
75bafbac 1851: ${as_default:=$cc}
50567afa 1852: ${dep_cc_default:=$cc}
684b28e0 1853: ${ld_default:=$cc}
50567afa 1854set_default as dep_cc ld
75800dce 1855
07dec06e
MR
1856test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1857test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1858
7f32f40c 1859add_cflags $extra_cflags
2f2e6c7c 1860add_asflags $extra_cflags
7f32f40c 1861
154d432c
MR
1862if test -n "$sysroot"; then
1863 case "$cc_type" in
1864 gcc)
467256f2 1865 add_cppflags --sysroot="$sysroot"
154d432c
MR
1866 add_ldflags --sysroot="$sysroot"
1867 ;;
6fec122a
MR
1868 tms470)
1869 add_cppflags -I"$sysinclude"
1870 add_ldflags --sysroot="$sysroot"
1871 ;;
06da6943 1872 clang)
4def700e
DC
1873 add_cppflags -isysroot "$sysroot"
1874 add_ldflags -isysroot "$sysroot"
06da6943 1875 ;;
154d432c
MR
1876 esac
1877fi
1878
d22c13a8
MR
1879if test "$cpu" = host; then
1880 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1881
1882 case "$cc_type" in
1883 gcc)
1884 check_native(){
1885 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
27ce1be8
MR
1886 sed -n "/$1=/{
1887 s/.*$1=\\([^ ]*\\).*/\\1/
1888 p
1889 q
1890 }" $TMPE
d22c13a8
MR
1891 }
1892 cpu=$(check_native -march || check_native -mcpu)
1893 ;;
1894 esac
1895
1896 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1897fi
1898
e939cedd
MR
1899# Deal with common $arch aliases
1900case "$arch" in
1901 arm*)
1902 arch="arm"
1903 ;;
1904 mips|mipsel|IP*)
1905 arch="mips"
1906 ;;
47b1860e 1907 mips64*)
e939cedd
MR
1908 arch="mips"
1909 subarch="mips64"
1910 ;;
1911 parisc|hppa)
1912 arch="parisc"
1913 ;;
1914 parisc64|hppa64)
1915 arch="parisc"
1916 subarch="parisc64"
1917 ;;
1918 "Power Macintosh"|ppc|powerpc)
1919 arch="ppc"
1920 ;;
47b1860e 1921 ppc64|powerpc64)
e939cedd
MR
1922 arch="ppc"
1923 subarch="ppc64"
1924 ;;
1925 s390|s390x)
1926 arch="s390"
1927 ;;
1928 sh4|sh)
1929 arch="sh4"
1930 ;;
1931 sun4u|sparc64)
1932 arch="sparc"
1933 subarch="sparc64"
1934 ;;
1935 i[3-6]86|i86pc|BePC|x86_64|amd64)
1936 arch="x86"
1937 ;;
1938esac
1939
1940is_in $arch $ARCH_LIST || echo "WARNING: unknown arch $arch"
343aef9b 1941enable $arch
e939cedd 1942
df5cdc24 1943# Add processor-specific flags
5d54c126
MR
1944if test "$cpu" = generic; then
1945 : do nothing
1946elif enabled ppc; then
343aef9b 1947
56348891
MR
1948 case $(tolower $cpu) in
1949 601|ppc601|powerpc601)
9dbd5c3d 1950 cpuflags="-mcpu=601"
64ad53ff 1951 disable altivec
9dbd5c3d 1952 ;;
56348891 1953 603*|ppc603*|powerpc603*)
9dbd5c3d 1954 cpuflags="-mcpu=603"
64ad53ff 1955 disable altivec
9dbd5c3d 1956 ;;
56348891 1957 604*|ppc604*|powerpc604*)
9dbd5c3d 1958 cpuflags="-mcpu=604"
64ad53ff 1959 disable altivec
9dbd5c3d 1960 ;;
56348891 1961 g3|75*|ppc75*|powerpc75*)
9dbd5c3d 1962 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
64ad53ff 1963 disable altivec
9dbd5c3d 1964 ;;
56348891 1965 g4|745*|ppc745*|powerpc745*)
9dbd5c3d
MR
1966 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
1967 ;;
56348891 1968 74*|ppc74*|powerpc74*)
9dbd5c3d
MR
1969 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
1970 ;;
56348891 1971 g5|970|ppc970|powerpc970|power4*)
9dbd5c3d
MR
1972 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
1973 ;;
56348891 1974 cell)
9dbd5c3d
MR
1975 cpuflags="-mcpu=cell"
1976 enable ldbrx
1977 ;;
7b0b81a1
AL
1978 e500v2)
1979 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
1980 disable altivec
1981 ;;
1982 e500)
1983 cpuflags="-mcpu=8540 -mhard-float"
1984 disable altivec
1985 ;;
9dbd5c3d 1986 esac
343aef9b
MR
1987
1988elif enabled x86; then
1989
9dbd5c3d
MR
1990 case $cpu in
1991 i[345]86|pentium)
1992 cpuflags="-march=$cpu"
1993 disable mmx
1994 ;;
1995 # targets that do NOT support conditional mov (cmov)
1996 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
1997 cpuflags="-march=$cpu"
1998 disable cmov
1999 ;;
2000 # targets that do support conditional mov (cmov)
2001 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10)
2002 cpuflags="-march=$cpu"
2003 enable cmov
2004 enable fast_cmov
2005 ;;
2006 # targets that do support conditional mov but on which it's slow
2007 pentium4|pentium4m|prescott|nocona)
2008 cpuflags="-march=$cpu"
2009 enable cmov
2010 disable fast_cmov
2011 ;;
2012 esac
343aef9b
MR
2013
2014elif enabled sparc; then
2015
9dbd5c3d
MR
2016 case $cpu in
2017 sparc64)
2018 cpuflags="-mcpu=v9"
2019 ;;
2020 esac
343aef9b
MR
2021
2022elif enabled arm; then
2023
34ba23c9
MR
2024 case $cpu in
2025 armv*)
2026 cpuflags="-march=$cpu"
2027 ;;
2028 *)
2029 cpuflags="-mcpu=$cpu"
2030 ;;
2031 esac
343aef9b
MR
2032
2033elif enabled alpha; then
2034
34ba23c9 2035 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
343aef9b
MR
2036
2037elif enabled bfin; then
2038
34ba23c9 2039 cpuflags="-mcpu=$cpu"
343aef9b
MR
2040
2041elif enabled mips; then
2042
34ba23c9 2043 cpuflags="-march=$cpu"
343aef9b
MR
2044
2045elif enabled avr32; then
2046
9dbd5c3d
MR
2047 case $cpu in
2048 ap7[02]0[0-2])
2049 subarch="avr32_ap"
2050 cpuflags="-mpart=$cpu"
2051 ;;
2052 ap)
2053 subarch="avr32_ap"
2054 cpuflags="-march=$cpu"
2055 ;;
2056 uc3[ab]*)
2057 subarch="avr32_uc"
2058 cpuflags="-mcpu=$cpu"
2059 ;;
2060 uc)
2061 subarch="avr32_uc"
2062 cpuflags="-march=$cpu"
2063 ;;
2064 esac
df5cdc24 2065
343aef9b
MR
2066fi
2067
df5cdc24
MR
2068add_cflags $cpuflags
2069add_asflags $cpuflags
2070
993f2d0f
MR
2071# compiler sanity check
2072check_exec <<EOF
2073int main(void){ return 0; }
2074EOF
2075if test "$?" != 0; then
2076 echo "$cc is unable to create an executable file."
2077 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2078 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2079 echo "Only do this if you know what cross compiling means."
2080 fi
2081 die "C compiler test failed."
2082fi
2083
38a9c529 2084add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
e9b9a2f8 2085check_cflags -std=c99
50a334e4 2086check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
9d821fc2
DB
2087#include <stdlib.h>
2088EOF
50a334e4 2089check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
9d821fc2
DB
2090#include <stdlib.h>
2091EOF
e9b9a2f8 2092
f0125de9
MR
2093check_host_cflags -std=c99
2094
b24dbcbd 2095case "$arch" in
e939cedd 2096 alpha|ia64|mips|parisc|sparc)
8a3c8627 2097 spic=$shared
b24dbcbd 2098 ;;
e939cedd 2099 x86)
cfdb6148 2100 subarch="x86_32"
e939cedd 2101 check_cc <<EOF && subarch="x86_64"
58b3536d 2102 int test[(int)sizeof(char*) - 7];
cfdb6148 2103EOF
de27f4d9 2104 if test "$subarch" = "x86_64"; then
e939cedd 2105 spic=$shared
de27f4d9 2106 fi
b24dbcbd 2107 ;;
b24dbcbd
RP
2108esac
2109
343aef9b 2110enable $subarch
8a3c8627 2111enabled spic && enable pic
b24dbcbd 2112
7483e694 2113# OS specific
4f854758 2114case $target_os in
7483e694 2115 beos|haiku|zeta)
c9d19248 2116 prefix_default="$HOME/config"
7483e694 2117 # 3 gcc releases known for BeOS, each with ugly bugs
5e622c40 2118 gcc_version="$($cc -v 2>&1 | grep version | cut -d ' ' -f3-)"
7483e694
DB
2119 case "$gcc_version" in
2120 2.9-beos-991026*|2.9-beos-000224*) echo "R5/GG gcc"
2121 disable mmx
2122 ;;
2123 *20010315*) echo "BeBits gcc"
0f010b2f 2124 add_cflags -fno-expensive-optimizations
7483e694
DB
2125 ;;
2126 esac
7483e694
DB
2127 SHFLAGS=-nostart
2128 # enable BeOS things
2129 enable audio_beos
2130 # no need for libm, but the inet stuff
2131 # Check for BONE
2132 # XXX: actually should check for NOT net_server
78fe7631 2133 if echo $BEINCLUDES | grep -q 'headers/be/bone'; then
7483e694
DB
2134 network_extralibs="-lbind -lsocket"
2135 else
2136 enable beos_netserver
2137 network_extralibs="-lnet"
2138 fi ;;
2139 sunos)
2140 FFSERVERLDFLAGS=""
9987769a 2141 SHFLAGS='-shared -Wl,-h,$$(@F)'
0600d30a 2142 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
7483e694 2143 network_extralibs="-lsocket -lnsl"
50a334e4 2144 add_cppflags -D__EXTENSIONS__
8182dc34 2145 nm_opts='-P -g'
7483e694
DB
2146 ;;
2147 netbsd)
07a8eef6
MR
2148 oss_indev_extralibs="-lossaudio"
2149 oss_outdev_extralibs="-lossaudio"
2138dc99 2150 add_cppflags -D_XOPEN_SOURCE=600
7483e694
DB
2151 ;;
2152 openbsd)
89e053f8 2153 enable malloc_aligned
7c4a001a
MR
2154 # On OpenBSD 4.5. the compiler does not use PIC unless
2155 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2156 # however the generated executable will not do anything
2157 # (simply quits with exit-code 1, no crash, no output).
a7b9c8ae 2158 # Thus explicitly enable PIC here.
cd78208b 2159 enable pic
7483e694 2160 SHFLAGS='-shared'
07a8eef6
MR
2161 oss_indev_extralibs="-lossaudio"
2162 oss_outdev_extralibs="-lossaudio"
7483e694 2163 ;;
90b4f091 2164 freebsd|dragonfly)
89e053f8 2165 enable malloc_aligned
7483e694
DB
2166 ;;
2167 bsd/os)
2168 osextralibs="-lpoll -lgnugetopt"
2169 strip="strip -d"
2170 ;;
2171 darwin)
89e053f8 2172 enable malloc_aligned
0138c54e 2173 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
7483e694
DB
2174 strip="strip -x"
2175 FFLDFLAGS="-Wl,-dynamic,-search_paths_first"
2176 SLIBSUF=".dylib"
2177 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2178 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2179 FFSERVERLDFLAGS=-Wl,-bind_at_load
304d586d 2180 objformat="macho"
1b0f6fb8 2181 enabled x86_64 && objformat="macho64"
8dfa86f7 2182 enabled_any pic shared ||
2704bd1a 2183 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
7483e694
DB
2184 ;;
2185 mingw32*)
9d3f4f50 2186 if test $target_os = "mingw32ce"; then
1aa71e25
MS
2187 disable network
2188 else
2189 target_os=mingw32
2190 fi
dcc01c06 2191 LIBTARGET=i386
1fc9fb8a 2192 if enabled x86_64; then
89e053f8 2193 enable malloc_aligned
dcc01c06 2194 LIBTARGET=x64
336cc1b0
MS
2195 elif enabled arm; then
2196 LIBTARGET=arm
dcc01c06 2197 fi
fbd971a4 2198 shlibdir_default="$bindir_default"
7483e694
DB
2199 disable ffserver
2200 SLIBPREF=""
2201 SLIBSUF=".dll"
7483e694
DB
2202 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2203 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
06abe7f5 2204 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
4c25d159 2205 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
b9349ff4
MS
2206 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2207 install -d "$(LIBDIR)"; \
2208 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
7483e694 2209 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
4b51fb1c 2210 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
304d586d 2211 objformat="win32"
bc574408 2212 enable dos_paths
1894e741 2213 check_cflags -fno-common
b1549d61 2214 if ! enabled x86_64; then
f7ad5aa2
RP
2215 check_cpp_condition _mingw.h "(__MINGW32_MAJOR_VERSION > 3) || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2216 die "ERROR: MinGW runtime version must be >= 3.15."
8beb4178 2217 enabled_any avisynth vfwcap_indev &&
f7ad5aa2 2218 { check_cpp_condition w32api.h "(__W32API_MAJOR_VERSION > 3) || (__W32API_MAJOR_VERSION == 3 && __W32API_MINOR_VERSION >= 13)" ||
8beb4178 2219 die "ERROR: avisynth and vfwcap_indev require w32api version 3.13 or later."; }
626c46ec 2220 fi
7483e694
DB
2221 ;;
2222 cygwin*)
4f854758 2223 target_os=cygwin
fbd971a4 2224 shlibdir_default="$bindir_default"
7483e694
DB
2225 SLIBPREF="cyg"
2226 SLIBSUF=".dll"
2227 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2228 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2229 SHFLAGS='-shared -Wl,--enable-auto-image-base'
304d586d 2230 objformat="win32"
bc574408 2231 enable dos_paths
1894e741 2232 check_cflags -fno-common
7483e694 2233 ;;
4f365f37 2234 *-dos|freedos|opendos)
fdf11906 2235 disable ffplay ffserver
4f365f37
MK
2236 disable $INDEV_LIST $OUTDEV_LIST
2237 network_extralibs="-lsocket"
ff1c015d 2238 objformat="coff"
bc574408 2239 enable dos_paths
4f365f37 2240 ;;
7483e694 2241 linux)
7483e694
DB
2242 enable dv1394
2243 ;;
2244 irix*)
4f854758 2245 target_os=irix
7483e694
DB
2246 ranlib="echo ignoring ranlib"
2247 ;;
d22e8442 2248 os/2*)
d22e8442
DY
2249 strip="lxlite"
2250 ln_s="cp -f"
d22e8442 2251 FFLDFLAGS="-Zomf -Zbin-files -Zargs-wild -Zmap"
71c61f62 2252 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
d22e8442 2253 FFSERVERLDFLAGS=""
287d3b13 2254 LIBSUF="_s.a"
d22e8442
DY
2255 SLIBPREF=""
2256 SLIBSUF=".dll"
2257 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2258 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
71c61f62
MR
2259 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2260 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2261 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2262 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2263 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2264 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2265 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2266 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2267 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
d22e8442 2268 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
bc574408 2269 enable dos_paths
d22e8442 2270 ;;
83993c1c
AM
2271 gnu/kfreebsd)
2272 ;;
34e82167 2273 gnu)
34e82167 2274 ;;
614d8911
MR
2275 none)
2276 ;;
7483e694 2277 *)
4f924f9a 2278 die "Unknown OS '$target_os'."
7483e694
DB
2279 ;;
2280esac
2281
13cb2187
AS
2282check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2283
c9d19248
MR
2284set_default $PATHS_LIST
2285
c597172e 2286add_extralibs $osextralibs
de6d9b64 2287
28d8e661
DB
2288# Combine FFLDFLAGS and the LDFLAGS environment variable.
2289LDFLAGS="$FFLDFLAGS $LDFLAGS"
e89b8b0a 2290
320d060a 2291# we need to build at least one lib type
93b3c083 2292if ! enabled_any static shared; then
320d060a
DB
2293 cat <<EOF
2294At least one library type must be built.
2295Specify --enable-static to build the static libraries or --enable-shared to
2296build the shared libraries as well. To only build the shared libraries specify
2297--disable-static in addition to --enable-shared.
2298EOF
2299 exit 1;
2300fi
2301
abc4e572 2302disabled static && LIBNAME=""
2a320695 2303
a2234ceb
RP
2304if enabled_any libfaad libfaadbin ; then
2305 if check_header faad.h; then
295b8c70 2306 check_cc <<EOF
a2234ceb
RP
2307#include <faad.h>
2308#ifndef FAAD2_VERSION
2309ok faad1
2310#endif
db817cf3 2311int main(void) { return 0; }
a2234ceb
RP
2312EOF
2313 test $? = 0 && enable libfaad2
2314 else
ff3dac65 2315 die "FAAD test failed."
a2234ceb
RP
2316 fi
2317fi
2318
2319
2184c6f7 2320die_license_disabled() {
4c27207c 2321 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2184c6f7
DB
2322}
2323
2324die_license_disabled gpl libfaad2
2325die_license_disabled gpl libx264
2326die_license_disabled gpl libxvid
2327die_license_disabled gpl postproc
2328die_license_disabled gpl x11grab
2329
2f7ae63b 2330die_license_disabled nonfree libfaac
b2e3c528 2331
0b175caa
DB
2332die_license_disabled version3 libopencore_amrnb
2333die_license_disabled version3 libopencore_amrwb
2334
9cad0e4e 2335enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3fe142e2 2336
9eeed841 2337check_deps $ARCH_EXT_LIST
0f3cb305 2338
40617a6d 2339disabled optimizations || check_cflags -fomit-frame-pointer
cf9d24ad 2340
e276d9e8
MR
2341enable_pic() {
2342 enable pic
bce7b696
MR
2343 add_cppflags -DPIC
2344 add_cflags -fPIC
2345 add_asflags -fPIC
e276d9e8
MR
2346}
2347
2348enabled pic && enable_pic
bce7b696 2349
b4d96ba2
MR
2350check_cc <<EOF || die "Symbol mangling check failed."
2351int ff_extern;
2352EOF
8182dc34 2353sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
b4d96ba2
MR
2354extern_prefix=${sym%%ff_extern*}
2355
f65883c8
MR
2356check_cc <<EOF && enable inline_asm
2357void foo(void) { __asm__ volatile ("" ::); }
2358EOF
61d251db 2359
df5e3978
MR
2360_restrict=
2361for restrict_keyword in restrict __restrict__ __restrict; do
2362 check_cc <<EOF && _restrict=$restrict_keyword && break
2363void foo(char * $restrict_keyword p);
2364EOF
2365done
2366
2367check_cc <<EOF && enable attribute_packed
2368struct { int x; } __attribute__((packed)) x;
2369EOF
2370
dffb41b9
MR
2371check_cc <<EOF && enable attribute_may_alias
2372union { int x; } __attribute__((may_alias)) x;
2373EOF
2374
df5e3978
MR
2375check_cc <<EOF || die "endian test failed"
2376unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2377EOF
48fc536a 2378od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
df5e3978 2379
e939cedd
MR
2380if enabled alpha; then
2381
2382 check_cflags -mieee
2383
2384elif enabled arm; then
e45391bb 2385
50fa82e6
MR
2386 check_cflags -marm
2387
fa0912fe
MR
2388 check_ld <<EOF && enable vfp_args
2389__asm__ (".eabi_attribute 28, 1");
2390int main(void) { return 0; }
2391EOF
2392
2393 # We have to check if pld is a nop and disable it.
2394 check_asm pld '"pld [r0]"'
2395
2396 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2397 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2398 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2399 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2400 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2401 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
e45391bb 2402
e276d9e8
MR
2403 enabled_all armv6t2 shared !pic && enable_pic
2404
e939cedd
MR
2405elif enabled ia64; then
2406
2407 # HACK: currently fails to build if .bss is > 4MB and shared libs are built
2408 enabled shared && enable_weak hardcoded_tables
2409
fa0912fe 2410elif enabled mips; then
e45391bb 2411
fa0912fe
MR
2412 check_asm loongson '"dmult.g $1, $2, $3"'
2413 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
e45391bb 2414
fa0912fe 2415elif enabled ppc; then
e45391bb 2416
e6a0c354
MR
2417 enable local_aligned_8 local_aligned_16
2418
fa0912fe
MR
2419 check_asm dcbzl '"dcbzl 0, 1"'
2420 check_asm ppc4xx '"maclhw r10, r11, r12"'
64de20d1 2421 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
fa0912fe
MR
2422
2423 # AltiVec flags: The FSF version of GCC differs from the Apple version
2424 if enabled altivec; then
2425 check_cflags -maltivec -mabi=altivec &&
2426 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2427 check_cflags -faltivec
2428
2429 # check if our compiler supports Motorola AltiVec C API
2430 check_cc <<EOF || disable altivec
2431$inc_altivec_h
2432int main(void) {
2433 vector signed int v1, v2, v3;
2434 v1 = vec_add(v2,v3);
2435 return 0;
2436}
2437EOF
2438
2439 # check if our compiler supports braces for vector declarations
2440 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2441$inc_altivec_h
2442int main (void) { (vector int) {1}; return 0; }
2443EOF
2444 fi
e45391bb 2445
fa0912fe 2446elif enabled sparc; then
e45391bb 2447
fa0912fe
MR
2448 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2449 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
e45391bb 2450
fa0912fe 2451elif enabled x86; then
e45391bb 2452
e6a0c354
MR
2453 enable local_aligned_8 local_aligned_16
2454
44965991
PI
2455 # check whether EBP is available on x86
2456 # As 'i' is stored on the stack, this program will crash
2457 # if the base pointer is used to access it because the
2458 # base pointer is cleared in the inline assembly code.
7dfef245 2459 check_exec_crash <<EOF && enable ebp_available
44965991 2460 volatile int i=0;
be449fca 2461 __asm__ volatile (
44965991
PI
2462 "xorl %%ebp, %%ebp"
2463 ::: "%ebp");
2464 return i;
44965991
PI
2465EOF
2466
f494213c 2467 # check whether EBX is available on x86
7cee5421
MR
2468 check_asm ebx_available '""::"b"(0)' &&
2469 check_asm ebx_available '"":::"%ebx"'
8e380710 2470
d3a4b4e0
DB
2471 # check whether more than 10 operands are supported
2472 check_cc <<EOF && enable ten_operands
2473int main(void) {
2474 int x=0;
2475 __asm__ volatile(
2476 ""
2477 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2478 );
2479 return 0;
2480}
2481EOF
2482
d7f0920b 2483 # check whether binutils is new enough to compile SSSE3/MMX2
940f335a 2484 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
5fd89ca0 2485 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
6bd859d6
MR
2486
2487 check_asm bswap '"bswap %%eax" ::: "%eax"'
304d586d 2488
d52481b9 2489 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
304d586d 2490 enabled x86_64 && append YASMFLAGS "-m amd64"
a34ebe60 2491 enabled pic && append YASMFLAGS "-DPIC"
5f36d94d 2492 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
304d586d
LM
2493 case "$objformat" in
2494 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
304d586d 2495 esac
7595a5e4 2496 disabled yasm || { check_yasm "pabsw xmm0, xmm0" && enable yasm; }
e45391bb 2497
669b5583
MR
2498 case "$cpu" in
2499 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2500 disable fast_clz
2501 ;;
2502 esac
2503
44965991
PI
2504fi
2505
a98bb16d
RP
2506if check_func dlopen; then
2507 ldl=
2508elif check_func dlopen -ldl; then
2509 ldl=-ldl
8bf5d58f
MN
2510fi
2511
75ecf149
DB
2512# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2513check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2514
7483e694 2515check_func fork
84882df6 2516check_func getaddrinfo $network_extralibs
7483e694
DB
2517check_func gethrtime
2518check_func getrusage
fc5607f8 2519check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
094c09bb 2520check_func inet_aton $network_extralibs
abfc8d05 2521check_func isatty
4ae40685 2522check_func ${malloc_prefix}memalign && enable memalign
7483e694 2523check_func mkstemp
4ae40685 2524check_func ${malloc_prefix}posix_memalign && enable posix_memalign
0104b608 2525check_func setrlimit
87958234 2526check_func strerror_r
b507ebd1 2527check_func_headers io.h setmode
e4673692 2528check_func_headers lzo/lzo1x.h lzo1x_999_compress
fc5607f8 2529check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2446d3d6 2530check_func_headers windows.h GetProcessTimes
7c5bfe7a 2531check_func_headers windows.h VirtualAlloc
6ffa87d3 2532
e16e49ac 2533check_header conio.h
a98bb16d 2534check_header dlfcn.h
92c6a099 2535check_header dxva2api.h
a98bb16d 2536check_header malloc.h
bf6ce82d 2537check_header poll.h
b58412f1 2538check_header sys/mman.h
b091aa44 2539check_header sys/resource.h
bf6ce82d 2540check_header sys/select.h
a98bb16d 2541check_header termios.h
272081b0
CEH
2542check_header vdpau/vdpau.h
2543check_header vdpau/vdpau_x11.h
68178ca9 2544check_header X11/extensions/XvMClib.h
a98bb16d 2545
9104cd51
RP
2546check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2547
89e053f8
MR
2548if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2549 enabled_any $need_memalign ; then
1f91cdce 2550 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
a98bb16d 2551fi
e16e49ac 2552
a4fa192c 2553disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
632948bd 2554disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
57bd82d4
MR
2555
2556# check for some common methods of building with pthread support
2557# do this before the optional library checks as some of them require pthreads
2558if enabled pthreads; then
9e7fd101
MR
2559 if check_func pthread_create; then
2560 :
2561 elif check_func pthread_create -pthread; then
2562 add_cflags -pthread
afc9aee2 2563 add_extralibs -pthread
9e7fd101
MR
2564 elif check_func pthread_create -pthreads; then
2565 add_cflags -pthreads
afc9aee2 2566 add_extralibs -pthreads
8d94f606
GT
2567 elif check_func pthread_create -lpthreadGC2; then
2568 add_extralibs -lpthreadGC2
9e7fd101
MR
2569 elif ! check_lib pthread.h pthread_create -lpthread; then
2570 die "ERROR: can't find pthreads library"
2571 fi
57bd82d4
MR
2572fi
2573
8eee7025 2574for thread in $THREADS_LIST; do
e5f94c2b 2575 if enabled $thread; then
3ae3b721
RP
2576 test -n "$thread_type" &&
2577 die "ERROR: Only one thread type must be selected." ||
e5f94c2b 2578 thread_type="$thread"
e5f94c2b
RP
2579 fi
2580done
2581
fdf88598 2582check_lib math.h sin -lm
ff418735 2583check_lib va/va.h vaInitialize -lva
fdf88598 2584
645d2652
MR
2585check_mathfunc exp2
2586check_mathfunc exp2f
2587check_mathfunc llrint
2588check_mathfunc log2
2589check_mathfunc log2f
2590check_mathfunc lrint
2591check_mathfunc lrintf
2592check_mathfunc round
2593check_mathfunc roundf
2594check_mathfunc truncf
f32adb22 2595
57bd82d4 2596# these are off by default, so fail if requested and not available
a1b3c5a3 2597enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
e3cc7d6f 2598enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2513b2b4
DB
2599 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2600 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
79fda097
DB
2601enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2602enabled libfaad && require2 libfaad faad.h faacDecOpen -lfaad
5af41508 2603enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2bfecf73 2604enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame -lm
7483e694 2605enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
0b175caa
DB
2606enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb -lm
2607enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb -lm
3d6fac8c 2608enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
0f943ce6 2609enabled librtmp && require librtmp librtmp/rtmp.h RTMP_Init -lrtmp
36718e51
DB
2610enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2611 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
ae14f311 2612enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
c261a5d9 2613enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
7483e694 2614enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
60877ad9 2615enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 -lm &&
76d81909
JGG
2616 { check_cpp_condition x264.h "X264_BUILD >= 83" ||
2617 die "ERROR: libx264 version must be >= 0.83."; }
2bfecf73 2618enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
7483e694 2619enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
8ac17293 2620
0b4a1821
AS
2621# libdc1394 check
2622if enabled libdc1394; then
2623 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2624 enable libdc1394_2; } ||
2625 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2626 enable libdc1394_1; } ||
2627 die "ERROR: No version of libdc1394 found "
2628fi
2629
6a1a892f 2630SDL_CONFIG="${cross_prefix}sdl-config"
2270b4b2 2631if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
5e622c40 2632 sdl_cflags=$("${SDL_CONFIG}" --cflags)
b4f93564 2633 sdl_libs=$("${SDL_CONFIG}" --libs)
aa692d54
MR
2634 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2635 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2636 enable sdl &&
2637 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
c3f6b472 2638fi
57bd82d4 2639
2270b4b2 2640texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
146ea952 2641
73b46a95 2642if enabled network; then
96000432 2643 check_type "sys/types.h sys/socket.h" socklen_t
c0018613 2644 check_type netdb.h "struct addrinfo"
b4d68544
MS
2645 check_type netinet/in.h "struct ipv6_mreq"
2646 check_type netinet/in.h "struct sockaddr_in6"
ff6e82a9 2647 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3b2372bf 2648 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
73b46a95
RP
2649 # Prefer arpa/inet.h over winsock2
2650 if check_header arpa/inet.h ; then
2651 check_func closesocket
2652 elif check_header winsock2.h ; then
f4c13872
MS
2653 check_func_headers winsock2.h closesocket -lws2 && \
2654 network_extralibs="-lws2" || \
2655 { check_func_headers winsock2.h closesocket -lws2_32 && \
2656 network_extralibs="-lws2_32"; }
72be9e73 2657 check_type ws2tcpip.h socklen_t
c0018613 2658 check_type ws2tcpip.h "struct addrinfo"
b4d68544
MS
2659 check_type ws2tcpip.h "struct ipv6_mreq"
2660 check_type ws2tcpip.h "struct sockaddr_in6"
33a4dbdd 2661 check_type ws2tcpip.h "struct sockaddr_storage"
3b2372bf 2662 check_struct winsock2.h "struct sockaddr" sa_len
28c9f069
MK
2663 else
2664 disable network
73b46a95
RP
2665 fi
2666fi
2667
06e31011
RP
2668check_header linux/videodev.h
2669check_header linux/videodev2.h
1b6e8b73 2670check_header sys/videoio.h
47f38850 2671
27796dc3 2672check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
c2345207 2673
f8aa696f 2674# check for ioctl_meteor.h, ioctl_bt848.h and alternatives
1c915f83
RP
2675{ check_header dev/bktr/ioctl_meteor.h &&
2676 check_header dev/bktr/ioctl_bt848.h; } ||
2677{ check_header machine/ioctl_meteor.h &&
2678 check_header machine/ioctl_bt848.h; } ||
2679{ check_header dev/video/meteor/ioctl_meteor.h &&
2680 check_header dev/video/bktr/ioctl_bt848.h; } ||
2681check_header dev/ic/bt8xx.h
f8aa696f 2682
c7682de0
RP
2683check_header sys/soundcard.h
2684check_header soundcard.h
deb29777 2685
b6f3d925 2686enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
35fd8122 2687
0e57fe17 2688enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
80ff8a16 2689
56a059ac 2690enabled x11grab &&
f58f4ce1
GP
2691check_header X11/Xlib.h &&
2692check_header X11/extensions/XShm.h &&
0a045661 2693check_header X11/extensions/Xfixes.h &&
f58f4ce1 2694check_func XOpenDisplay -lX11 &&
781c1aa6
R
2695check_func XShmCreateImage -lX11 -lXext &&
2696check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
f58f4ce1 2697
598ef02b 2698if ! disabled vdpau && enabled vdpau_vdpau_h; then
deda2a4a
AC
2699check_cpp_condition \
2700 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
d1ebd4a9
AC
2701 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2702 disable vdpau; }
abf649c7 2703fi
deda2a4a 2704
95e561ec 2705enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
57bd82d4
MR
2706
2707# add some useful compiler flags if supported
2708check_cflags -Wdeclaration-after-statement
dcd479c0
MR
2709check_cflags -Wall
2710check_cflags -Wno-switch
c07bd6a9
MN
2711check_cflags -Wdisabled-optimization
2712check_cflags -Wpointer-arith
2713check_cflags -Wredundant-decls
cc1fb623 2714check_cflags -Wno-pointer-sign
f4929996 2715check_cflags -Wcast-qual
9aceb3cf 2716check_cflags -Wwrite-strings
652a5bf6 2717check_cflags -Wtype-limits
764551c6 2718check_cflags -Wundef
fc298fd9 2719check_cflags -Wmissing-prototypes
5af4e0cc 2720enabled extra_warnings && check_cflags -Winline
cf9d24ad 2721
57bd82d4 2722# add some linker flags
5c0e9479 2723check_ldflags -Wl,--warn-common
8351d2ba
DB
2724check_ldflags -Wl,--as-needed
2725check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
c2fd6530 2726check_ldflags -Wl,-Bsymbolic
94a3401e 2727
a482e61b
MR
2728echo "X{};" > $TMPV
2729test_ldflags -Wl,--version-script,$TMPV &&
2730 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2731
bd2216e4 2732if enabled small; then
14ca9cd0 2733 add_cflags $size_cflags
8400d6b8
DB
2734 optimizations="small"
2735elif enabled optimizations; then
14ca9cd0 2736 add_cflags $speed_cflags
cddf3f45 2737fi
11fdbc44 2738check_cflags -fno-math-errno
b2eb2ff0 2739check_cflags -fno-signed-zeros
cddf3f45 2740
629687f6 2741if enabled icc; then
b1598b58
MR
2742 # Just warnings, no remarks
2743 check_cflags -w1
2744 # -wd: Disable following warnings
2745 # 144, 167, 556: -Wno-pointer-sign
2746 # 10006: ignoring unknown option -fno-signed-zeros
2747 # 10156: ignoring option '-W'; no argument required
dd4a03f7 2748 check_cflags -wd144,167,556,10006,10156
b1598b58
MR
2749 # 11030: Warning unknown option --as-needed
2750 # 10156: ignoring option '-export'; no argument required
2751 check_ldflags -wd10156,11030
2752 # Allow to compile with optimizations
2753 check_ldflags -march=$cpu
be2cf98a
CEH
2754 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2755 enable ebp_available
df442a8d
MR
2756elif enabled ccc; then
2757 # disable some annoying warnings
2758 add_cflags -msg_disable cvtu32to64
2759 add_cflags -msg_disable embedcomment
2760 add_cflags -msg_disable needconstext
2761 add_cflags -msg_disable nomainieee
2762 add_cflags -msg_disable ptrmismatch1
2763 add_cflags -msg_disable unreachcode
973859f5
MR
2764elif enabled gcc; then
2765 check_cflags -fno-tree-vectorize
62df111c 2766 check_cflags -Werror=implicit
de63bfec 2767 check_cflags -Werror=missing-prototypes
06da6943
DC
2768elif enabled clang; then
2769 check_cflags -Qunused-arguments
138132be
MR
2770elif enabled armcc; then
2771 # 2523: use of inline assembler is deprecated
2772 add_cflags -Wrvct,--diag_suppress=2523
976d7bf7 2773 add_cflags -Wrvct,--diag_suppress=1207
587d24ff
MR
2774elif enabled tms470; then
2775 add_cflags -pds=824 -pds=837
504a64b9
CEH
2776fi
2777
90be59ef 2778if enabled gprof; then
0f010b2f
DB
2779 add_cflags -p
2780 add_ldflags -p
1db54e20
DB
2781fi
2782
7f3c02fc 2783# Find out if the .align argument is a power of two or not.
9377b6ce 2784check_asm asmalign_pot '".align 3"'
4454dc1b 2785
7483e694
DB
2786enabled_any $THREADS_LIST && enable threads
2787
2788check_deps $CONFIG_LIST \
b6bb00b0 2789 $CONFIG_EXTRA \
7483e694
DB
2790 $HAVE_LIST \
2791 $DECODER_LIST \
2792 $ENCODER_LIST \
5666fd73 2793 $HWACCEL_LIST \
7483e694
DB
2794 $PARSER_LIST \
2795 $BSF_LIST \
2796 $DEMUXER_LIST \
2797 $MUXER_LIST \
f7679c54 2798 $FILTER_LIST \
7483e694
DB
2799 $INDEV_LIST \
2800 $OUTDEV_LIST \
2801 $PROTOCOL_LIST \
f70f03f6 2802
c8a4ae00
MR
2803enabled asm || disable $ARCH_LIST $ARCH_EXT_LIST
2804
3e89171a 2805echo "install prefix $prefix"
f36958f8
DB
2806echo "source path $source_path"
2807echo "C compiler $cc"
bfd5afd8 2808echo ".align is power-of-two $asmalign_pot"
f36958f8 2809echo "ARCH $arch ($cpu)"
ce8871c2
MR
2810if test "$build_suffix" != ""; then
2811 echo "build suffix $build_suffix"
eb94aca9 2812fi
ac63af34
DB
2813if test "$extra_version" != ""; then
2814 echo "version string suffix $extra_version"
2815fi
0db2ce77 2816echo "big-endian ${bigendian-no}"
e90f5b5a 2817echo "runtime cpu detection ${runtime_cpudetect-no}"
5b6c2cbd 2818if enabled x86; then
af44e8e4 2819 echo "yasm ${yasm-no}"
0db2ce77 2820 echo "MMX enabled ${mmx-no}"
30e98e62 2821 echo "MMX2 enabled ${mmx2-no}"
3bf96eec 2822 echo "3DNow! enabled ${amd3dnow-no}"
a1ef9f08 2823 echo "3DNow! extended enabled ${amd3dnowext-no}"
1bb04d5a 2824 echo "SSE enabled ${sse-no}"
30e98e62 2825 echo "SSSE3 enabled ${ssse3-no}"
0db2ce77
MR
2826 echo "CMOV enabled ${cmov-no}"
2827 echo "CMOV is fast ${fast_cmov-no}"
971cc990
MN
2828 echo "EBX available ${ebx_available-no}"
2829 echo "EBP available ${ebp_available-no}"
d3a4b4e0 2830 echo "10 operands supported ${ten_operands-no}"
e41e8342 2831fi
5b6c2cbd 2832if enabled arm; then
0db2ce77
MR
2833 echo "ARMv5TE enabled ${armv5te-no}"
2834 echo "ARMv6 enabled ${armv6-no}"
ab5cb084 2835 echo "ARMv6T2 enabled ${armv6t2-no}"
f55b299a 2836 echo "ARM VFP enabled ${armvfp-no}"
0db2ce77 2837 echo "IWMMXT enabled ${iwmmxt-no}"
6b18d278 2838 echo "NEON enabled ${neon-no}"
eba9ae3c 2839fi
5b6c2cbd 2840if enabled mips; then
0db2ce77 2841 echo "MMI enabled ${mmi-no}"
e41e8342 2842fi
5b6c2cbd 2843if enabled ppc; then
0db2ce77 2844 echo "AltiVec enabled ${altivec-no}"
30e98e62 2845 echo "PPC 4xx optimizations ${ppc4xx-no}"
0db2ce77 2846 echo "dcbzl available ${dcbzl-no}"
30e98e62
DB
2847 echo "performance report ${powerpc_perf-no}"
2848fi
2849if enabled sparc; then
2850 echo "VIS enabled ${vis-no}"
e41e8342 2851fi
0db2ce77
MR
2852echo "gprof enabled ${gprof-no}"
2853echo "debug symbols ${debug-no}"
87a0fb62 2854echo "strip symbols ${stripping-no}"
8400d6b8 2855echo "optimizations ${optimizations-no}"
0db2ce77
MR
2856echo "static ${static-no}"
2857echo "shared ${shared-no}"
4a24ab64 2858echo "postprocessing support ${postproc-no}"
f7679c54 2859echo "new filter support ${avfilter-no}"
81124ba0 2860echo "filters using lavformat ${avfilter_lavf-no}"
0db2ce77 2861echo "network support ${network-no}"
0db2ce77
MR
2862echo "threading support ${thread_type-no}"
2863echo "SDL support ${sdl-no}"
0db2ce77
MR
2864echo "Sun medialib support ${mlib-no}"
2865echo "AVISynth enabled ${avisynth-no}"
f7b8bffe 2866echo "libdc1394 support ${libdc1394-no}"
690bfceb 2867echo "libdirac enabled ${libdirac-no}"
0db2ce77
MR
2868echo "libfaac enabled ${libfaac-no}"
2869echo "libfaad enabled ${libfaad-no}"
7e0871a7 2870echo "libfaad dlopened ${libfaadbin-no}"
0db2ce77
MR
2871echo "libgsm enabled ${libgsm-no}"
2872echo "libmp3lame enabled ${libmp3lame-no}"
2873echo "libnut enabled ${libnut-no}"
0b175caa
DB
2874echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2875echo "libopencore-amrwb support ${libopencore_amrwb-no}"
9a77d59a 2876echo "libopenjpeg enabled ${libopenjpeg-no}"
0f943ce6 2877echo "librtmp enabled ${librtmp-no}"
f7cd9eed 2878echo "libschroedinger enabled ${libschroedinger-no}"
ae14f311 2879echo "libspeex enabled ${libspeex-no}"
0db2ce77
MR
2880echo "libtheora enabled ${libtheora-no}"
2881echo "libvorbis enabled ${libvorbis-no}"
d6bd62db
DB
2882echo "libx264 enabled ${libx264-no}"
2883echo "libxvid enabled ${libxvid-no}"
0db2ce77 2884echo "zlib enabled ${zlib-no}"
f402916e 2885echo "bzlib enabled ${bzlib-no}"
2c62e737 2886echo
de6d9b64 2887
5666fd73 2888for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
8138b9db 2889 echo "Enabled ${type}s:"
f65c9da1 2890 eval list=\$$(toupper $type)_LIST
8138b9db 2891 for part in $list; do
f65c9da1
MR
2892 enabled $part && echo ${part%_*}
2893 done | sort | pr -3 -t
2894 echo
8138b9db
RP
2895done
2896
ba7a7039 2897license="LGPL version 2.1 or later"
ba321adb 2898if enabled nonfree; then
ba7a7039 2899 license="nonfree and unredistributable"
9cad0e4e
DB
2900elif enabled gplv3; then
2901 license="GPL version 3 or later"
2902elif enabled lgplv3; then
2903 license="LGPL version 3 or later"
ba321adb 2904elif enabled gpl; then
ba7a7039 2905 license="GPL version 2 or later"
ba321adb
JK
2906fi
2907
2908echo "License: $license"
ca5323af 2909
cf1392e9
DB
2910echo "Creating config.mak and config.h..."
2911
df642790
MR
2912# build tree in object directory if source path is different from current one
2913if enabled source_path_used; then
2914 DIRS="
2915 doc
2916 libavcodec
2917 libavcodec/$arch
2918 libavdevice
2919 libavfilter
2920 libavformat
2921 libavutil
2922 libavutil/$arch
2923 libpostproc
2924 libswscale
2925 libswscale/$arch
2926 tests
2927 tools
2928 "
2929 FILES="
2930 Makefile
2931 common.mak
2932 subdir.mak
2933 doc/texi2pod.pl
2934 libavcodec/Makefile
43f60eba 2935 libavcodec/${arch}/Makefile
df642790
MR
2936 libavdevice/Makefile
2937 libavfilter/Makefile
2938 libavformat/Makefile
2939 libavutil/Makefile
2940 libpostproc/Makefile
2941 libswscale/Makefile
2942 "
e0e335a0 2943 map 'mkdir -p $v' $DIRS;
43f60eba 2944 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
df642790
MR
2945fi
2946
ad212cc6
MR
2947enabled stripping || strip="echo skipping strip"
2948
173c983b
MR
2949cat > config.mak <<EOF
2950# Automatically generated by configure - do not modify!
2951ifndef FFMPEG_CONFIG_MAK
2952FFMPEG_CONFIG_MAK=1
2953FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
2954prefix=$prefix
2955LIBDIR=\$(DESTDIR)$libdir
2956SHLIBDIR=\$(DESTDIR)$shlibdir
2957INCDIR=\$(DESTDIR)$incdir
2958BINDIR=\$(DESTDIR)$bindir
2959DATADIR=\$(DESTDIR)$datadir
2960MANDIR=\$(DESTDIR)$mandir
2961SRC_PATH="$source_path"
2962SRC_PATH_BARE=$source_path
2963BUILD_ROOT="$PWD"
2964ARCH=$arch
2965CC=$cc
2966AS=$as
2967LD=$ld
2968DEPCC=$dep_cc
2969YASM=$yasmexe
a4aea515 2970YASMDEP=$yasmexe
173c983b
MR
2971AR=$ar
2972RANLIB=$ranlib
4335125c 2973CP=cp -p
173c983b
MR
2974LN_S=$ln_s
2975STRIP=$strip
2976CPPFLAGS=$CPPFLAGS
2977CFLAGS=$CFLAGS
2978ASFLAGS=$ASFLAGS
2979CC_O=$CC_O
2980LDFLAGS=$LDFLAGS
2981FFSERVERLDFLAGS=$FFSERVERLDFLAGS
2982SHFLAGS=$SHFLAGS
2983YASMFLAGS=$YASMFLAGS
2984BUILDSUF=$build_suffix
2985FULLNAME=$FULLNAME
2986LIBPREF=$LIBPREF
2987LIBSUF=$LIBSUF
2988LIBNAME=$LIBNAME
2989SLIBPREF=$SLIBPREF
2990SLIBSUF=$SLIBSUF
2991EXESUF=$EXESUF
2992EXTRA_VERSION=$extra_version
2993DEPFLAGS=$DEPFLAGS
2994CCDEP=$CCDEP
2995ASDEP=$ASDEP
2996CC_DEPFLAGS=$CC_DEPFLAGS
2997AS_DEPFLAGS=$AS_DEPFLAGS
2998HOSTCC=$host_cc
2999HOSTCFLAGS=$host_cflags
3000HOSTEXESUF=$HOSTEXESUF
3001HOSTLDFLAGS=$host_ldflags
3002HOSTLIBS=$host_libs
3003TARGET_EXEC=$target_exec
3004TARGET_PATH=$target_path
3005SDL_LIBS=$sdl_libs
3006SDL_CFLAGS=$sdl_cflags
3007LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3008EXTRALIBS=$extralibs
fd676deb 3009INSTALL=install
1afc4750
MR
3010LIBTARGET=${LIBTARGET}
3011SLIBNAME=${SLIBNAME}
3012SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3013SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3014SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3015SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3016SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3017SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
2fad0977 3018SAMPLES=$samples
173c983b 3019EOF
5a872801 3020
719c8e00
MR
3021get_version(){
3022 name=$1
3023 file=$source_path/$2
147e7692
MR
3024 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3025 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
0e32c8c6
MR
3026 lcname=$(tolower $name)
3027 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3028 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
719c8e00
MR
3029}
3030
147e7692
MR
3031get_version LIBSWSCALE libswscale/swscale.h
3032get_version LIBPOSTPROC libpostproc/postprocess.h
3033get_version LIBAVCODEC libavcodec/avcodec.h
3034get_version LIBAVDEVICE libavdevice/avdevice.h
3035get_version LIBAVFORMAT libavformat/avformat.h
3036get_version LIBAVUTIL libavutil/avutil.h
a6601d69 3037get_version LIBAVFILTER libavfilter/avfilter.h
5a872801 3038
173c983b
MR
3039enabled asmalign_pot || align_shift="1 <<"
3040
3041cat > $TMPH <<EOF
3042/* Automatically generated by configure - do not modify! */
3043#ifndef FFMPEG_CONFIG_H
3044#define FFMPEG_CONFIG_H
3045#define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
c1736936 3046#define FFMPEG_LICENSE "$(c_escape $license)"
173c983b
MR
3047#define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3048#define CC_TYPE "$cc_type"
3049#define CC_VERSION $cc_version
3050#define restrict $_restrict
3051#define ASMALIGN(ZEROBITS) ".align $align_shift " #ZEROBITS "\\n\\t"
3052#define EXTERN_PREFIX "${extern_prefix}"
3053#define EXTERN_ASM ${extern_prefix}
3054EOF
523ef551 3055
4ae40685
MR
3056test -n "$malloc_prefix" &&
3057 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3058
523ef551 3059if enabled small || disabled optimizations; then
9a894c48 3060 echo "#undef av_always_inline" >> $TMPH
523ef551
DB
3061 echo "#define av_always_inline" >> $TMPH
3062fi
3063
3d907e22
MR
3064print_config ARCH_ $TMPH config.mak $ARCH_LIST
3065print_config HAVE_ $TMPH config.mak $HAVE_LIST
7483e694 3066print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
b6bb00b0 3067 $CONFIG_EXTRA \
7483e694
DB
3068 $DECODER_LIST \
3069 $ENCODER_LIST \
5666fd73 3070 $HWACCEL_LIST \
7483e694
DB
3071 $PARSER_LIST \
3072 $BSF_LIST \
3073 $DEMUXER_LIST \
3074 $MUXER_LIST \
f7679c54 3075 $FILTER_LIST \
7483e694
DB
3076 $PROTOCOL_LIST \
3077 $INDEV_LIST \
3078 $OUTDEV_LIST \
8ac17293 3079
9c05103f 3080echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
8c6d2da5 3081echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
9c05103f 3082
b7860763 3083# Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
c34681df 3084cp_if_changed $TMPH config.h
3d204385 3085
a3e02a8c
MR
3086cat > $TMPH <<EOF
3087/* Generated by ffconf */
3088#ifndef AVUTIL_AVCONFIG_H
3089#define AVUTIL_AVCONFIG_H
3090EOF
3091
3092print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3093
3094echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3095
3096cp_if_changed $TMPH libavutil/avconfig.h
3097
d0674868 3098# build pkg-config files
def4272a 3099
d0674868
DB
3100pkgconfig_generate(){
3101name=$1
b0dfd108 3102shortname=${name#lib}${build_suffix}
d0674868
DB
3103comment=$2
3104version=$3
3105libs=$4
3106requires=$5
25cd5cb3 3107cat <<EOF > $name/$name.pc
3e89171a 3108prefix=$prefix
a94e666c 3109exec_prefix=\${prefix}
f2b7382c 3110libdir=$libdir
7622778e 3111includedir=$incdir
def4272a 3112
d0674868
DB
3113Name: $name
3114Description: $comment
3115Version: $version
8cd6b388 3116Requires: $(enabled shared || echo $requires)
5dcfe9f8 3117Requires.private: $(enabled shared && echo $requires)
def4272a 3118Conflicts:
8cd6b388 3119Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
12701f6e 3120Libs.private: $(enabled shared && echo $libs)
76a448ed 3121Cflags: -I\${includedir}
def4272a 3122EOF
25cd5cb3 3123cat <<EOF > $name/$name-uninstalled.pc
def4272a
AJ
3124prefix=
3125exec_prefix=
46d1ff83 3126libdir=\${pcfiledir}
1d44d365 3127includedir=${source_path}
def4272a 3128
d0674868
DB
3129Name: $name
3130Description: $comment
3131Version: $version
3132Requires: $requires
def4272a 3133Conflicts:
12701f6e 3134Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
def4272a
AJ
3135Cflags: -I\${includedir}
3136EOF
d0674868 3137}
def4272a 3138
e426941d 3139pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
46983309
RT
3140pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3141pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3142pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3ed1a2ee 3143enabled avfilter &&
46983309 3144 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3ed1a2ee 3145enabled postproc &&
e426941d 3146 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
5add54b4 3147pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"